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Finding the Fourth Proportional to 32,597.40, 44,987.10 and 20,656.38

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Solution

The fourth proportional to 32,597.40, 44,987.10 and 20,656.38 is: 28,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,597.40 : 44,987.10 = 20,656.38 : x
  2. Step 2: Convert to fraction form
    32,597.40/44,987.10 = 20,656.38/x
  3. Step 3: Cross multiply
    32,597.40x = 44,987.10 × 20,656.38
  4. Step 4: Simplify right side
    32,597.40x = 929,270,632.70
  5. Step 5: Solve for x
    x = 929,270,632.70/32,597.40
  6. Step 6: Final answer
    x = 28,507.51

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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.