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Finding the Fourth Proportional to 48,143.67, 71,895.62 and 47,622.39

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Solution

The fourth proportional to 48,143.67, 71,895.62 and 47,622.39 is: 71,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,143.67 : 71,895.62 = 47,622.39 : x
  2. Step 2: Convert to fraction form
    48,143.67/71,895.62 = 47,622.39/x
  3. Step 3: Cross multiply
    48,143.67x = 71,895.62 × 47,622.39
  4. Step 4: Simplify right side
    48,143.67x = 3,423,841,016.82
  5. Step 5: Solve for x
    x = 3,423,841,016.82/48,143.67
  6. Step 6: Final answer
    x = 71,117.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.