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Finding the Fourth Proportional to 75,513.70, 113,266.95 and 25,588.90

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Solution

The fourth proportional to 75,513.70, 113,266.95 and 25,588.90 is: 38,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,513.70 : 113,266.95 = 25,588.90 : x
  2. Step 2: Convert to fraction form
    75,513.70/113,266.95 = 25,588.90/x
  3. Step 3: Cross multiply
    75,513.70x = 113,266.95 × 25,588.90
  4. Step 4: Simplify right side
    75,513.70x = 2,898,376,656.86
  5. Step 5: Solve for x
    x = 2,898,376,656.86/75,513.70
  6. Step 6: Final answer
    x = 38,382.13

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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.