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Finding the Fourth Proportional to 60,807.34, 83,937.11 and 47,853.01

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Solution

The fourth proportional to 60,807.34, 83,937.11 and 47,853.01 is: 66,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,807.34 : 83,937.11 = 47,853.01 : x
  2. Step 2: Convert to fraction form
    60,807.34/83,937.11 = 47,853.01/x
  3. Step 3: Cross multiply
    60,807.34x = 83,937.11 × 47,853.01
  4. Step 4: Simplify right side
    60,807.34x = 4,016,643,364.20
  5. Step 5: Solve for x
    x = 4,016,643,364.20/60,807.34
  6. Step 6: Final answer
    x = 66,055.24

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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.