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Finding the Fourth Proportional to 63,466.88, 87,571.68 and 38,317.76

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Solution

The fourth proportional to 63,466.88, 87,571.68 and 38,317.76 is: 52,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,466.88 : 87,571.68 = 38,317.76 : x
  2. Step 2: Convert to fraction form
    63,466.88/87,571.68 = 38,317.76/x
  3. Step 3: Cross multiply
    63,466.88x = 87,571.68 × 38,317.76
  4. Step 4: Simplify right side
    63,466.88x = 3,355,550,617.04
  5. Step 5: Solve for x
    x = 3,355,550,617.04/63,466.88
  6. Step 6: Final answer
    x = 52,870.89

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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.