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Finding the Fourth Proportional to 71,368.68, 107,058.54 and 21,444.84

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Solution

The fourth proportional to 71,368.68, 107,058.54 and 21,444.84 is: 32,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,368.68 : 107,058.54 = 21,444.84 : x
  2. Step 2: Convert to fraction form
    71,368.68/107,058.54 = 21,444.84/x
  3. Step 3: Cross multiply
    71,368.68x = 107,058.54 × 21,444.84
  4. Step 4: Simplify right side
    71,368.68x = 2,295,853,260.93
  5. Step 5: Solve for x
    x = 2,295,853,260.93/71,368.68
  6. Step 6: Final answer
    x = 32,168.92

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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.