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Finding the Fourth Proportional to 41,641.60, 62,486.80 and 15,364.64

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Solution

The fourth proportional to 41,641.60, 62,486.80 and 15,364.64 is: 23,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,641.60 : 62,486.80 = 15,364.64 : x
  2. Step 2: Convert to fraction form
    41,641.60/62,486.80 = 15,364.64/x
  3. Step 3: Cross multiply
    41,641.60x = 62,486.80 × 15,364.64
  4. Step 4: Simplify right side
    41,641.60x = 960,087,186.75
  5. Step 5: Solve for x
    x = 960,087,186.75/41,641.60
  6. Step 6: Final answer
    x = 23,055.96

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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.