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Finding the Fourth Proportional to 58,715.86, 87,957.12 and 32,355.22

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Solution

The fourth proportional to 58,715.86, 87,957.12 and 32,355.22 is: 48,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,715.86 : 87,957.12 = 32,355.22 : x
  2. Step 2: Convert to fraction form
    58,715.86/87,957.12 = 32,355.22/x
  3. Step 3: Cross multiply
    58,715.86x = 87,957.12 × 32,355.22
  4. Step 4: Simplify right side
    58,715.86x = 2,845,871,968.17
  5. Step 5: Solve for x
    x = 2,845,871,968.17/58,715.86
  6. Step 6: Final answer
    x = 48,468.54

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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.