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Finding the Fourth Proportional to 63,064.80, 94,549.20 and 31,922.40

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Solution

The fourth proportional to 63,064.80, 94,549.20 and 31,922.40 is: 47,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,064.80 : 94,549.20 = 31,922.40 : x
  2. Step 2: Convert to fraction form
    63,064.80/94,549.20 = 31,922.40/x
  3. Step 3: Cross multiply
    63,064.80x = 94,549.20 × 31,922.40
  4. Step 4: Simplify right side
    63,064.80x = 3,018,237,382.08
  5. Step 5: Solve for x
    x = 3,018,237,382.08/63,064.80
  6. Step 6: Final answer
    x = 47,859.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.