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Finding the Fourth Proportional to 44,856.72, 61,893 and 30,704.40

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Solution

The fourth proportional to 44,856.72, 61,893 and 30,704.40 is: 42,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,856.72 : 61,893 = 30,704.40 : x
  2. Step 2: Convert to fraction form
    44,856.72/61,893 = 30,704.40/x
  3. Step 3: Cross multiply
    44,856.72x = 61,893 × 30,704.40
  4. Step 4: Simplify right side
    44,856.72x = 1,900,387,429.20
  5. Step 5: Solve for x
    x = 1,900,387,429.20/44,856.72
  6. Step 6: Final answer
    x = 42,365.72

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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.