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Finding the Fourth Proportional to 60,466.60, 90,699.90 and 18,346.60

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Solution

The fourth proportional to 60,466.60, 90,699.90 and 18,346.60 is: 27,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,466.60 : 90,699.90 = 18,346.60 : x
  2. Step 2: Convert to fraction form
    60,466.60/90,699.90 = 18,346.60/x
  3. Step 3: Cross multiply
    60,466.60x = 90,699.90 × 18,346.60
  4. Step 4: Simplify right side
    60,466.60x = 1,664,034,785.34
  5. Step 5: Solve for x
    x = 1,664,034,785.34/60,466.60
  6. Step 6: Final answer
    x = 27,519.90

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1.5x scale

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.