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Finding the Fourth Proportional to 60,442.75, 90,667.37 and 18,892.99

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Solution

The fourth proportional to 60,442.75, 90,667.37 and 18,892.99 is: 28,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,442.75 : 90,667.37 = 18,892.99 : x
  2. Step 2: Convert to fraction form
    60,442.75/90,667.37 = 18,892.99/x
  3. Step 3: Cross multiply
    60,442.75x = 90,667.37 × 18,892.99
  4. Step 4: Simplify right side
    60,442.75x = 1,712,977,714.74
  5. Step 5: Solve for x
    x = 1,712,977,714.74/60,442.75
  6. Step 6: Final answer
    x = 28,340.50

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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.