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Finding the Fourth Proportional to 25,305.70, 37,963.90 and 9,510.87

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Solution

The fourth proportional to 25,305.70, 37,963.90 and 9,510.87 is: 14,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305.70 : 37,963.90 = 9,510.87 : x
  2. Step 2: Convert to fraction form
    25,305.70/37,963.90 = 9,510.87/x
  3. Step 3: Cross multiply
    25,305.70x = 37,963.90 × 9,510.87
  4. Step 4: Simplify right side
    25,305.70x = 361,069,717.59
  5. Step 5: Solve for x
    x = 361,069,717.59/25,305.70
  6. Step 6: Final answer
    x = 14,268.32

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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.