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Finding the Fourth Proportional to 58,572.11, 87,904.64 and 30,500.15

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Solution

The fourth proportional to 58,572.11, 87,904.64 and 30,500.15 is: 45,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,572.11 : 87,904.64 = 30,500.15 : x
  2. Step 2: Convert to fraction form
    58,572.11/87,904.64 = 30,500.15/x
  3. Step 3: Cross multiply
    58,572.11x = 87,904.64 × 30,500.15
  4. Step 4: Simplify right side
    58,572.11x = 2,681,104,705.70
  5. Step 5: Solve for x
    x = 2,681,104,705.70/58,572.11
  6. Step 6: Final answer
    x = 45,774.43

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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.