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Finding the Fourth Proportional to 75,269.42, 112,904.12 and 25,345.33

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Solution

The fourth proportional to 75,269.42, 112,904.12 and 25,345.33 is: 38,017.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,269.42 : 112,904.12 = 25,345.33 : x
  2. Step 2: Convert to fraction form
    75,269.42/112,904.12 = 25,345.33/x
  3. Step 3: Cross multiply
    75,269.42x = 112,904.12 × 25,345.33
  4. Step 4: Simplify right side
    75,269.42x = 2,861,592,179.76
  5. Step 5: Solve for x
    x = 2,861,592,179.76/75,269.42
  6. Step 6: Final answer
    x = 38,017.99

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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.