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Finding the Fourth Proportional to 62,990.01, 86,926.19 and 34,695.69

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Solution

The fourth proportional to 62,990.01, 86,926.19 and 34,695.69 is: 47,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,990.01 : 86,926.19 = 34,695.69 : x
  2. Step 2: Convert to fraction form
    62,990.01/86,926.19 = 34,695.69/x
  3. Step 3: Cross multiply
    62,990.01x = 86,926.19 × 34,695.69
  4. Step 4: Simplify right side
    62,990.01x = 3,015,964,141.12
  5. Step 5: Solve for x
    x = 3,015,964,141.12/62,990.01
  6. Step 6: Final answer
    x = 47,880.04

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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.