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Finding the Fourth Proportional to 71,602.47, 107,402.58 and 17,567.73

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Solution

The fourth proportional to 71,602.47, 107,402.58 and 17,567.73 is: 26,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,602.47 : 107,402.58 = 17,567.73 : x
  2. Step 2: Convert to fraction form
    71,602.47/107,402.58 = 17,567.73/x
  3. Step 3: Cross multiply
    71,602.47x = 107,402.58 × 17,567.73
  4. Step 4: Simplify right side
    71,602.47x = 1,886,819,526.74
  5. Step 5: Solve for x
    x = 1,886,819,526.74/71,602.47
  6. Step 6: Final answer
    x = 26,351.32

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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.