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Finding the Fourth Proportional to 58,012.68, 87,000.06 and 18,560.40

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Solution

The fourth proportional to 58,012.68, 87,000.06 and 18,560.40 is: 27,834.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,012.68 : 87,000.06 = 18,560.40 : x
  2. Step 2: Convert to fraction form
    58,012.68/87,000.06 = 18,560.40/x
  3. Step 3: Cross multiply
    58,012.68x = 87,000.06 × 18,560.40
  4. Step 4: Simplify right side
    58,012.68x = 1,614,755,913.62
  5. Step 5: Solve for x
    x = 1,614,755,913.62/58,012.68
  6. Step 6: Final answer
    x = 27,834.53

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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.