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Finding the Fourth Proportional to 15,798.96, 23,677.96 and 6,428.08

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Solution

The fourth proportional to 15,798.96, 23,677.96 and 6,428.08 is: 9,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.96 : 23,677.96 = 6,428.08 : x
  2. Step 2: Convert to fraction form
    15,798.96/23,677.96 = 6,428.08/x
  3. Step 3: Cross multiply
    15,798.96x = 23,677.96 × 6,428.08
  4. Step 4: Simplify right side
    15,798.96x = 152,203,821.12
  5. Step 5: Solve for x
    x = 152,203,821.12/15,798.96
  6. Step 6: Final answer
    x = 9,633.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.