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Finding the Fourth Proportional to 25,780.83, 38,671.27 and 7,061.02

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Solution

The fourth proportional to 25,780.83, 38,671.27 and 7,061.02 is: 10,591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,780.83 : 38,671.27 = 7,061.02 : x
  2. Step 2: Convert to fraction form
    25,780.83/38,671.27 = 7,061.02/x
  3. Step 3: Cross multiply
    25,780.83x = 38,671.27 × 7,061.02
  4. Step 4: Simplify right side
    25,780.83x = 273,058,753.81
  5. Step 5: Solve for x
    x = 273,058,753.81/25,780.83
  6. Step 6: Final answer
    x = 10,591.54

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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.