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Finding the Fourth Proportional to 2,773.90, 4,160.85 and 924.67

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Solution

The fourth proportional to 2,773.90, 4,160.85 and 924.67 is: 1,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.90 : 4,160.85 = 924.67 : x
  2. Step 2: Convert to fraction form
    2,773.90/4,160.85 = 924.67/x
  3. Step 3: Cross multiply
    2,773.90x = 4,160.85 × 924.67
  4. Step 4: Simplify right side
    2,773.90x = 3,847,413.17
  5. Step 5: Solve for x
    x = 3,847,413.17/2,773.90
  6. Step 6: Final answer
    x = 1,387.01

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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.