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Finding the Fourth Proportional to 6,798.79, 9,354.23 and 5,511.19

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Solution

The fourth proportional to 6,798.79, 9,354.23 and 5,511.19 is: 7,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.79 : 9,354.23 = 5,511.19 : x
  2. Step 2: Convert to fraction form
    6,798.79/9,354.23 = 5,511.19/x
  3. Step 3: Cross multiply
    6,798.79x = 9,354.23 × 5,511.19
  4. Step 4: Simplify right side
    6,798.79x = 51,552,938.83
  5. Step 5: Solve for x
    x = 51,552,938.83/6,798.79
  6. Step 6: Final answer
    x = 7,582.66

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Half scale
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Double scale
Find fourth proportional to 6,799.79, 9,355.61 and 5,512.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.