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Finding the Fourth Proportional to 63,573.53, 87,670.50 and 38,075.81

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Solution

The fourth proportional to 63,573.53, 87,670.50 and 38,075.81 is: 52,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,573.53 : 87,670.50 = 38,075.81 : x
  2. Step 2: Convert to fraction form
    63,573.53/87,670.50 = 38,075.81/x
  3. Step 3: Cross multiply
    63,573.53x = 87,670.50 × 38,075.81
  4. Step 4: Simplify right side
    63,573.53x = 3,338,125,300.61
  5. Step 5: Solve for x
    x = 3,338,125,300.61/63,573.53
  6. Step 6: Final answer
    x = 52,508.10

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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.