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Finding the Fourth Proportional to 64,228, 88,604.70 and 41,574.28

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Solution

The fourth proportional to 64,228, 88,604.70 and 41,574.28 is: 57,353.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,228 : 88,604.70 = 41,574.28 : x
  2. Step 2: Convert to fraction form
    64,228/88,604.70 = 41,574.28/x
  3. Step 3: Cross multiply
    64,228x = 88,604.70 × 41,574.28
  4. Step 4: Simplify right side
    64,228x = 3,683,676,607.12
  5. Step 5: Solve for x
    x = 3,683,676,607.12/64,228
  6. Step 6: Final answer
    x = 57,353.13

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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.