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Finding the Fourth Proportional to 41,602.60, 62,403.90 and 40,047.40

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Solution

The fourth proportional to 41,602.60, 62,403.90 and 40,047.40 is: 60,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,602.60 : 62,403.90 = 40,047.40 : x
  2. Step 2: Convert to fraction form
    41,602.60/62,403.90 = 40,047.40/x
  3. Step 3: Cross multiply
    41,602.60x = 62,403.90 × 40,047.40
  4. Step 4: Simplify right side
    41,602.60x = 2,499,113,944.86
  5. Step 5: Solve for x
    x = 2,499,113,944.86/41,602.60
  6. Step 6: Final answer
    x = 60,071.10

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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.