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Finding the Fourth Proportional to 58,337.20, 80,491.08 and 32,838.40

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Solution

The fourth proportional to 58,337.20, 80,491.08 and 32,838.40 is: 45,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,337.20 : 80,491.08 = 32,838.40 : x
  2. Step 2: Convert to fraction form
    58,337.20/80,491.08 = 32,838.40/x
  3. Step 3: Cross multiply
    58,337.20x = 80,491.08 × 32,838.40
  4. Step 4: Simplify right side
    58,337.20x = 2,643,198,281.47
  5. Step 5: Solve for x
    x = 2,643,198,281.47/58,337.20
  6. Step 6: Final answer
    x = 45,308.97

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1.5x scale

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.