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Finding the Fourth Proportional to 29,046.48, 40,081.80 and 16,472.40

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Solution

The fourth proportional to 29,046.48, 40,081.80 and 16,472.40 is: 22,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,046.48 : 40,081.80 = 16,472.40 : x
  2. Step 2: Convert to fraction form
    29,046.48/40,081.80 = 16,472.40/x
  3. Step 3: Cross multiply
    29,046.48x = 40,081.80 × 16,472.40
  4. Step 4: Simplify right side
    29,046.48x = 660,243,442.32
  5. Step 5: Solve for x
    x = 660,243,442.32/29,046.48
  6. Step 6: Final answer
    x = 22,730.58

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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.