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Finding the Fourth Proportional to 64,368.77, 88,812.23 and 38,854.97

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Solution

The fourth proportional to 64,368.77, 88,812.23 and 38,854.97 is: 53,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,368.77 : 88,812.23 = 38,854.97 : x
  2. Step 2: Convert to fraction form
    64,368.77/88,812.23 = 38,854.97/x
  3. Step 3: Cross multiply
    64,368.77x = 88,812.23 × 38,854.97
  4. Step 4: Simplify right side
    64,368.77x = 3,450,796,338.01
  5. Step 5: Solve for x
    x = 3,450,796,338.01/64,368.77
  6. Step 6: Final answer
    x = 53,609.79

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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.