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Finding the Fourth Proportional to 29,728.86, 44,597.89 and 10,005.87

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Solution

The fourth proportional to 29,728.86, 44,597.89 and 10,005.87 is: 15,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,728.86 : 44,597.89 = 10,005.87 : x
  2. Step 2: Convert to fraction form
    29,728.86/44,597.89 = 10,005.87/x
  3. Step 3: Cross multiply
    29,728.86x = 44,597.89 × 10,005.87
  4. Step 4: Simplify right side
    29,728.86x = 446,240,639.58
  5. Step 5: Solve for x
    x = 446,240,639.58/29,728.86
  6. Step 6: Final answer
    x = 15,010.35

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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.