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Finding the Fourth Proportional to 63,028.80, 94,348.80 and 56,030.40

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Solution

The fourth proportional to 63,028.80, 94,348.80 and 56,030.40 is: 83,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,028.80 : 94,348.80 = 56,030.40 : x
  2. Step 2: Convert to fraction form
    63,028.80/94,348.80 = 56,030.40/x
  3. Step 3: Cross multiply
    63,028.80x = 94,348.80 × 56,030.40
  4. Step 4: Simplify right side
    63,028.80x = 5,286,401,003.52
  5. Step 5: Solve for x
    x = 5,286,401,003.52/63,028.80
  6. Step 6: Final answer
    x = 83,872.79

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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.