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Finding the Fourth Proportional to 60,466.34, 90,699.71 and 18,346.78

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Solution

The fourth proportional to 60,466.34, 90,699.71 and 18,346.78 is: 27,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,466.34 : 90,699.71 = 18,346.78 : x
  2. Step 2: Convert to fraction form
    60,466.34/90,699.71 = 18,346.78/x
  3. Step 3: Cross multiply
    60,466.34x = 90,699.71 × 18,346.78
  4. Step 4: Simplify right side
    60,466.34x = 1,664,047,444.55
  5. Step 5: Solve for x
    x = 1,664,047,444.55/60,466.34
  6. Step 6: Final answer
    x = 27,520.23

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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.