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Finding the Fourth Proportional to 65,070.60, 97,609.29 and 18,327.12

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Solution

The fourth proportional to 65,070.60, 97,609.29 and 18,327.12 is: 27,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,070.60 : 97,609.29 = 18,327.12 : x
  2. Step 2: Convert to fraction form
    65,070.60/97,609.29 = 18,327.12/x
  3. Step 3: Cross multiply
    65,070.60x = 97,609.29 × 18,327.12
  4. Step 4: Simplify right side
    65,070.60x = 1,788,897,170.94
  5. Step 5: Solve for x
    x = 1,788,897,170.94/65,070.60
  6. Step 6: Final answer
    x = 27,491.63

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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.