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Finding the Fourth Proportional to 61,946.66, 85,479.53 and 34,350.62

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Solution

The fourth proportional to 61,946.66, 85,479.53 and 34,350.62 is: 47,400.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,946.66 : 85,479.53 = 34,350.62 : x
  2. Step 2: Convert to fraction form
    61,946.66/85,479.53 = 34,350.62/x
  3. Step 3: Cross multiply
    61,946.66x = 85,479.53 × 34,350.62
  4. Step 4: Simplify right side
    61,946.66x = 2,936,275,256.30
  5. Step 5: Solve for x
    x = 2,936,275,256.30/61,946.66
  6. Step 6: Final answer
    x = 47,400.06

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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.