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Finding the Fourth Proportional to 75,459.68, 113,169.27 and 35,938.16

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Solution

The fourth proportional to 75,459.68, 113,169.27 and 35,938.16 is: 53,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459.68 : 113,169.27 = 35,938.16 : x
  2. Step 2: Convert to fraction form
    75,459.68/113,169.27 = 35,938.16/x
  3. Step 3: Cross multiply
    75,459.68x = 113,169.27 × 35,938.16
  4. Step 4: Simplify right side
    75,459.68x = 4,067,095,332.34
  5. Step 5: Solve for x
    x = 4,067,095,332.34/75,459.68
  6. Step 6: Final answer
    x = 53,897.60

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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.