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Finding the Fourth Proportional to 77,570.62, 107,059.03 and 47,373.31

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Solution

The fourth proportional to 77,570.62, 107,059.03 and 47,373.31 is: 65,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,570.62 : 107,059.03 = 47,373.31 : x
  2. Step 2: Convert to fraction form
    77,570.62/107,059.03 = 47,373.31/x
  3. Step 3: Cross multiply
    77,570.62x = 107,059.03 × 47,373.31
  4. Step 4: Simplify right side
    77,570.62x = 5,071,740,616.49
  5. Step 5: Solve for x
    x = 5,071,740,616.49/77,570.62
  6. Step 6: Final answer
    x = 65,382.24

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1.5x scale

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.