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Finding the Fourth Proportional to 62,145.66, 85,793.46 and 48,504.40

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Solution

The fourth proportional to 62,145.66, 85,793.46 and 48,504.40 is: 66,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,145.66 : 85,793.46 = 48,504.40 : x
  2. Step 2: Convert to fraction form
    62,145.66/85,793.46 = 48,504.40/x
  3. Step 3: Cross multiply
    62,145.66x = 85,793.46 × 48,504.40
  4. Step 4: Simplify right side
    62,145.66x = 4,161,360,301.22
  5. Step 5: Solve for x
    x = 4,161,360,301.22/62,145.66
  6. Step 6: Final answer
    x = 66,961.40

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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.