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Finding the Fourth Proportional to 34,689.74, 52,025.15 and 9,728.24

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Solution

The fourth proportional to 34,689.74, 52,025.15 and 9,728.24 is: 14,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.74 : 52,025.15 = 9,728.24 : x
  2. Step 2: Convert to fraction form
    34,689.74/52,025.15 = 9,728.24/x
  3. Step 3: Cross multiply
    34,689.74x = 52,025.15 × 9,728.24
  4. Step 4: Simplify right side
    34,689.74x = 506,112,909.43
  5. Step 5: Solve for x
    x = 506,112,909.43/34,689.74
  6. Step 6: Final answer
    x = 14,589.70

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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.