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Finding the Fourth Proportional to 60,403.04, 90,576.10 and 22,426

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Solution

The fourth proportional to 60,403.04, 90,576.10 and 22,426 is: 33,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,403.04 : 90,576.10 = 22,426 : x
  2. Step 2: Convert to fraction form
    60,403.04/90,576.10 = 22,426/x
  3. Step 3: Cross multiply
    60,403.04x = 90,576.10 × 22,426
  4. Step 4: Simplify right side
    60,403.04x = 2,031,259,618.60
  5. Step 5: Solve for x
    x = 2,031,259,618.60/60,403.04
  6. Step 6: Final answer
    x = 33,628.43

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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.