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Finding the Fourth Proportional to 4,886.33, 7,294.10 and 4,295.15

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Solution

The fourth proportional to 4,886.33, 7,294.10 and 4,295.15 is: 6,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.33 : 7,294.10 = 4,295.15 : x
  2. Step 2: Convert to fraction form
    4,886.33/7,294.10 = 4,295.15/x
  3. Step 3: Cross multiply
    4,886.33x = 7,294.10 × 4,295.15
  4. Step 4: Simplify right side
    4,886.33x = 31,329,195.67
  5. Step 5: Solve for x
    x = 31,329,195.67/4,886.33
  6. Step 6: Final answer
    x = 6,411.61

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Double scale
Find fourth proportional to 4,887.33, 7,295.59 and 4,296.15
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.