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Finding the Fourth Proportional to 58,306.61, 80,448.84 and 32,808

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Solution

The fourth proportional to 58,306.61, 80,448.84 and 32,808 is: 45,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,306.61 : 80,448.84 = 32,808 : x
  2. Step 2: Convert to fraction form
    58,306.61/80,448.84 = 32,808/x
  3. Step 3: Cross multiply
    58,306.61x = 80,448.84 × 32,808
  4. Step 4: Simplify right side
    58,306.61x = 2,639,365,542.72
  5. Step 5: Solve for x
    x = 2,639,365,542.72/58,306.61
  6. Step 6: Final answer
    x = 45,267.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.