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Finding the Fourth Proportional to 58,347.92, 87,500.28 and 20,897.68

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Solution

The fourth proportional to 58,347.92, 87,500.28 and 20,897.68 is: 31,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,347.92 : 87,500.28 = 20,897.68 : x
  2. Step 2: Convert to fraction form
    58,347.92/87,500.28 = 20,897.68/x
  3. Step 3: Cross multiply
    58,347.92x = 87,500.28 × 20,897.68
  4. Step 4: Simplify right side
    58,347.92x = 1,828,552,851.35
  5. Step 5: Solve for x
    x = 1,828,552,851.35/58,347.92
  6. Step 6: Final answer
    x = 31,338.78

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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.