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Finding the Fourth Proportional to 64,943.80, 97,391.40 and 22,807.60

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Solution

The fourth proportional to 64,943.80, 97,391.40 and 22,807.60 is: 34,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,943.80 : 97,391.40 = 22,807.60 : x
  2. Step 2: Convert to fraction form
    64,943.80/97,391.40 = 22,807.60/x
  3. Step 3: Cross multiply
    64,943.80x = 97,391.40 × 22,807.60
  4. Step 4: Simplify right side
    64,943.80x = 2,221,264,094.64
  5. Step 5: Solve for x
    x = 2,221,264,094.64/64,943.80
  6. Step 6: Final answer
    x = 34,202.87

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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.