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Finding the Fourth Proportional to 32,842.63, 45,322.88 and 18,695.47

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Solution

The fourth proportional to 32,842.63, 45,322.88 and 18,695.47 is: 25,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,842.63 : 45,322.88 = 18,695.47 : x
  2. Step 2: Convert to fraction form
    32,842.63/45,322.88 = 18,695.47/x
  3. Step 3: Cross multiply
    32,842.63x = 45,322.88 × 18,695.47
  4. Step 4: Simplify right side
    32,842.63x = 847,332,543.35
  5. Step 5: Solve for x
    x = 847,332,543.35/32,842.63
  6. Step 6: Final answer
    x = 25,799.78

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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.