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Finding the Fourth Proportional to 32,609.60, 45,001.20 and 18,461.60

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Solution

The fourth proportional to 32,609.60, 45,001.20 and 18,461.60 is: 25,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,609.60 : 45,001.20 = 18,461.60 : x
  2. Step 2: Convert to fraction form
    32,609.60/45,001.20 = 18,461.60/x
  3. Step 3: Cross multiply
    32,609.60x = 45,001.20 × 18,461.60
  4. Step 4: Simplify right side
    32,609.60x = 830,794,153.92
  5. Step 5: Solve for x
    x = 830,794,153.92/32,609.60
  6. Step 6: Final answer
    x = 25,476.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.