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Finding the Fourth Proportional to 64,314.40, 88,758.57 and 38,827.03

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Solution

The fourth proportional to 64,314.40, 88,758.57 and 38,827.03 is: 53,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,314.40 : 88,758.57 = 38,827.03 : x
  2. Step 2: Convert to fraction form
    64,314.40/88,758.57 = 38,827.03/x
  3. Step 3: Cross multiply
    64,314.40x = 88,758.57 × 38,827.03
  4. Step 4: Simplify right side
    64,314.40x = 3,446,231,660.15
  5. Step 5: Solve for x
    x = 3,446,231,660.15/64,314.40
  6. Step 6: Final answer
    x = 53,584.14

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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.