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Finding the Fourth Proportional to 29,123.76, 43,674.85 and 10,398.76

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Solution

The fourth proportional to 29,123.76, 43,674.85 and 10,398.76 is: 15,594.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123.76 : 43,674.85 = 10,398.76 : x
  2. Step 2: Convert to fraction form
    29,123.76/43,674.85 = 10,398.76/x
  3. Step 3: Cross multiply
    29,123.76x = 43,674.85 × 10,398.76
  4. Step 4: Simplify right side
    29,123.76x = 454,164,283.19
  5. Step 5: Solve for x
    x = 454,164,283.19/29,123.76
  6. Step 6: Final answer
    x = 15,594.29

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1.5x scale

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.