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Finding the Fourth Proportional to 63,172.04, 94,724.94 and 31,548.20

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Solution

The fourth proportional to 63,172.04, 94,724.94 and 31,548.20 is: 47,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,172.04 : 94,724.94 = 31,548.20 : x
  2. Step 2: Convert to fraction form
    63,172.04/94,724.94 = 31,548.20/x
  3. Step 3: Cross multiply
    63,172.04x = 94,724.94 × 31,548.20
  4. Step 4: Simplify right side
    63,172.04x = 2,988,401,352.11
  5. Step 5: Solve for x
    x = 2,988,401,352.11/63,172.04
  6. Step 6: Final answer
    x = 47,305.76

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1.5x scale

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.