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Finding the Fourth Proportional to 60,605.45, 90,784.25 and 49,400.72

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Solution

The fourth proportional to 60,605.45, 90,784.25 and 49,400.72 is: 74,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,605.45 : 90,784.25 = 49,400.72 : x
  2. Step 2: Convert to fraction form
    60,605.45/90,784.25 = 49,400.72/x
  3. Step 3: Cross multiply
    60,605.45x = 90,784.25 × 49,400.72
  4. Step 4: Simplify right side
    60,605.45x = 4,484,807,294.62
  5. Step 5: Solve for x
    x = 4,484,807,294.62/60,605.45
  6. Step 6: Final answer
    x = 74,000.06

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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.