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Finding the Fourth Proportional to 29,329.44, 40,472.40 and 16,752.48

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Solution

The fourth proportional to 29,329.44, 40,472.40 and 16,752.48 is: 23,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,329.44 : 40,472.40 = 16,752.48 : x
  2. Step 2: Convert to fraction form
    29,329.44/40,472.40 = 16,752.48/x
  3. Step 3: Cross multiply
    29,329.44x = 40,472.40 × 16,752.48
  4. Step 4: Simplify right side
    29,329.44x = 678,013,071.55
  5. Step 5: Solve for x
    x = 678,013,071.55/29,329.44
  6. Step 6: Final answer
    x = 23,117.15

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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.