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Finding the Fourth Proportional to 24,655.72, 36,985.47 and 7,125.70

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Solution

The fourth proportional to 24,655.72, 36,985.47 and 7,125.70 is: 10,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,655.72 : 36,985.47 = 7,125.70 : x
  2. Step 2: Convert to fraction form
    24,655.72/36,985.47 = 7,125.70/x
  3. Step 3: Cross multiply
    24,655.72x = 36,985.47 × 7,125.70
  4. Step 4: Simplify right side
    24,655.72x = 263,547,363.58
  5. Step 5: Solve for x
    x = 263,547,363.58/24,655.72
  6. Step 6: Final answer
    x = 10,689.10

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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.