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Finding the Fourth Proportional to 74,904.70, 112,372.65 and 25,000.30

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Solution

The fourth proportional to 74,904.70, 112,372.65 and 25,000.30 is: 37,505.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904.70 : 112,372.65 = 25,000.30 : x
  2. Step 2: Convert to fraction form
    74,904.70/112,372.65 = 25,000.30/x
  3. Step 3: Cross multiply
    74,904.70x = 112,372.65 × 25,000.30
  4. Step 4: Simplify right side
    74,904.70x = 2,809,349,961.80
  5. Step 5: Solve for x
    x = 2,809,349,961.80/74,904.70
  6. Step 6: Final answer
    x = 37,505.66

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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.