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Finding the Fourth Proportional to 71,572.51, 107,325.45 and 26,562.51

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Solution

The fourth proportional to 71,572.51, 107,325.45 and 26,562.51 is: 39,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,572.51 : 107,325.45 = 26,562.51 : x
  2. Step 2: Convert to fraction form
    71,572.51/107,325.45 = 26,562.51/x
  3. Step 3: Cross multiply
    71,572.51x = 107,325.45 × 26,562.51
  4. Step 4: Simplify right side
    71,572.51x = 2,850,833,338.88
  5. Step 5: Solve for x
    x = 2,850,833,338.88/71,572.51
  6. Step 6: Final answer
    x = 39,831.40

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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.