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Finding the Fourth Proportional to 5,458.60, 8,154.77 and 5,432.68

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Solution

The fourth proportional to 5,458.60, 8,154.77 and 5,432.68 is: 8,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.60 : 8,154.77 = 5,432.68 : x
  2. Step 2: Convert to fraction form
    5,458.60/8,154.77 = 5,432.68/x
  3. Step 3: Cross multiply
    5,458.60x = 8,154.77 × 5,432.68
  4. Step 4: Simplify right side
    5,458.60x = 44,302,255.88
  5. Step 5: Solve for x
    x = 44,302,255.88/5,458.60
  6. Step 6: Final answer
    x = 8,116.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.