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Finding the Fourth Proportional to 29,381.60, 44,072.42 and 10,657.40

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Solution

The fourth proportional to 29,381.60, 44,072.42 and 10,657.40 is: 15,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.60 : 44,072.42 = 10,657.40 : x
  2. Step 2: Convert to fraction form
    29,381.60/44,072.42 = 10,657.40/x
  3. Step 3: Cross multiply
    29,381.60x = 44,072.42 × 10,657.40
  4. Step 4: Simplify right side
    29,381.60x = 469,697,135.26
  5. Step 5: Solve for x
    x = 469,697,135.26/29,381.60
  6. Step 6: Final answer
    x = 15,986.10

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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.