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Finding the Fourth Proportional to 58,503.73, 87,755.52 and 19,060.78

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Solution

The fourth proportional to 58,503.73, 87,755.52 and 19,060.78 is: 28,591.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,503.73 : 87,755.52 = 19,060.78 : x
  2. Step 2: Convert to fraction form
    58,503.73/87,755.52 = 19,060.78/x
  3. Step 3: Cross multiply
    58,503.73x = 87,755.52 × 19,060.78
  4. Step 4: Simplify right side
    58,503.73x = 1,672,688,441.12
  5. Step 5: Solve for x
    x = 1,672,688,441.12/58,503.73
  6. Step 6: Final answer
    x = 28,591.14

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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.