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Finding the Fourth Proportional to 47,773.20, 65,925.60 and 26,551.20

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Solution

The fourth proportional to 47,773.20, 65,925.60 and 26,551.20 is: 36,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,773.20 : 65,925.60 = 26,551.20 : x
  2. Step 2: Convert to fraction form
    47,773.20/65,925.60 = 26,551.20/x
  3. Step 3: Cross multiply
    47,773.20x = 65,925.60 × 26,551.20
  4. Step 4: Simplify right side
    47,773.20x = 1,750,403,790.72
  5. Step 5: Solve for x
    x = 1,750,403,790.72/47,773.20
  6. Step 6: Final answer
    x = 36,639.87

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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.