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Finding the Fourth Proportional to 60,359.61, 90,548.93 and 18,234.45

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Solution

The fourth proportional to 60,359.61, 90,548.93 and 18,234.45 is: 27,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,359.61 : 90,548.93 = 18,234.45 : x
  2. Step 2: Convert to fraction form
    60,359.61/90,548.93 = 18,234.45/x
  3. Step 3: Cross multiply
    60,359.61x = 90,548.93 × 18,234.45
  4. Step 4: Simplify right side
    60,359.61x = 1,651,109,936.64
  5. Step 5: Solve for x
    x = 1,651,109,936.64/60,359.61
  6. Step 6: Final answer
    x = 27,354.55

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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.