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Finding the Fourth Proportional to 49,799.40, 74,720.70 and 25,175.40

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Solution

The fourth proportional to 49,799.40, 74,720.70 and 25,175.40 is: 37,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,799.40 : 74,720.70 = 25,175.40 : x
  2. Step 2: Convert to fraction form
    49,799.40/74,720.70 = 25,175.40/x
  3. Step 3: Cross multiply
    49,799.40x = 74,720.70 × 25,175.40
  4. Step 4: Simplify right side
    49,799.40x = 1,881,123,510.78
  5. Step 5: Solve for x
    x = 1,881,123,510.78/49,799.40
  6. Step 6: Final answer
    x = 37,774.02

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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.