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Finding the Fourth Proportional to 56,625.70, 84,938.55 and 28,632.10

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Solution

The fourth proportional to 56,625.70, 84,938.55 and 28,632.10 is: 42,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,625.70 : 84,938.55 = 28,632.10 : x
  2. Step 2: Convert to fraction form
    56,625.70/84,938.55 = 28,632.10/x
  3. Step 3: Cross multiply
    56,625.70x = 84,938.55 × 28,632.10
  4. Step 4: Simplify right side
    56,625.70x = 2,431,969,057.46
  5. Step 5: Solve for x
    x = 2,431,969,057.46/56,625.70
  6. Step 6: Final answer
    x = 42,948.15

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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.