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Finding the Fourth Proportional to 32,615.76, 45,009.62 and 17,711.76

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Solution

The fourth proportional to 32,615.76, 45,009.62 and 17,711.76 is: 24,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,615.76 : 45,009.62 = 17,711.76 : x
  2. Step 2: Convert to fraction form
    32,615.76/45,009.62 = 17,711.76/x
  3. Step 3: Cross multiply
    32,615.76x = 45,009.62 × 17,711.76
  4. Step 4: Simplify right side
    32,615.76x = 797,199,587.13
  5. Step 5: Solve for x
    x = 797,199,587.13/32,615.76
  6. Step 6: Final answer
    x = 24,442.16

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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.