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Finding the Fourth Proportional to 30,613.76, 45,928.80 and 24,397.28

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Solution

The fourth proportional to 30,613.76, 45,928.80 and 24,397.28 is: 36,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613.76 : 45,928.80 = 24,397.28 : x
  2. Step 2: Convert to fraction form
    30,613.76/45,928.80 = 24,397.28/x
  3. Step 3: Cross multiply
    30,613.76x = 45,928.80 × 24,397.28
  4. Step 4: Simplify right side
    30,613.76x = 1,120,537,793.66
  5. Step 5: Solve for x
    x = 1,120,537,793.66/30,613.76
  6. Step 6: Final answer
    x = 36,602.42

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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.