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Finding the Fourth Proportional to 58,196.88, 87,299.88 and 18,755.16

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Solution

The fourth proportional to 58,196.88, 87,299.88 and 18,755.16 is: 28,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,196.88 : 87,299.88 = 18,755.16 : x
  2. Step 2: Convert to fraction form
    58,196.88/87,299.88 = 18,755.16/x
  3. Step 3: Cross multiply
    58,196.88x = 87,299.88 × 18,755.16
  4. Step 4: Simplify right side
    58,196.88x = 1,637,323,217.38
  5. Step 5: Solve for x
    x = 1,637,323,217.38/58,196.88
  6. Step 6: Final answer
    x = 28,134.21

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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.