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Finding the Fourth Proportional to 61,827.35, 85,228.71 and 48,375.24

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Solution

The fourth proportional to 61,827.35, 85,228.71 and 48,375.24 is: 66,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,827.35 : 85,228.71 = 48,375.24 : x
  2. Step 2: Convert to fraction form
    61,827.35/85,228.71 = 48,375.24/x
  3. Step 3: Cross multiply
    61,827.35x = 85,228.71 × 48,375.24
  4. Step 4: Simplify right side
    61,827.35x = 4,122,959,301.14
  5. Step 5: Solve for x
    x = 4,122,959,301.14/61,827.35
  6. Step 6: Final answer
    x = 66,685.05

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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.