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Finding the Fourth Proportional to 58,425.86, 87,600.45 and 20,967.14

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Solution

The fourth proportional to 58,425.86, 87,600.45 and 20,967.14 is: 31,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,425.86 : 87,600.45 = 20,967.14 : x
  2. Step 2: Convert to fraction form
    58,425.86/87,600.45 = 20,967.14/x
  3. Step 3: Cross multiply
    58,425.86x = 87,600.45 × 20,967.14
  4. Step 4: Simplify right side
    58,425.86x = 1,836,730,899.21
  5. Step 5: Solve for x
    x = 1,836,730,899.21/58,425.86
  6. Step 6: Final answer
    x = 31,436.95

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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.