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Finding the Fourth Proportional to 58,280.84, 87,465.90 and 45,100.52

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Solution

The fourth proportional to 58,280.84, 87,465.90 and 45,100.52 is: 67,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,280.84 : 87,465.90 = 45,100.52 : x
  2. Step 2: Convert to fraction form
    58,280.84/87,465.90 = 45,100.52/x
  3. Step 3: Cross multiply
    58,280.84x = 87,465.90 × 45,100.52
  4. Step 4: Simplify right side
    58,280.84x = 3,944,757,572.27
  5. Step 5: Solve for x
    x = 3,944,757,572.27/58,280.84
  6. Step 6: Final answer
    x = 67,685.32

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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.