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Finding the Fourth Proportional to 7,766.59, 10,718.49 and 4,410.04

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Solution

The fourth proportional to 7,766.59, 10,718.49 and 4,410.04 is: 6,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.59 : 10,718.49 = 4,410.04 : x
  2. Step 2: Convert to fraction form
    7,766.59/10,718.49 = 4,410.04/x
  3. Step 3: Cross multiply
    7,766.59x = 10,718.49 × 4,410.04
  4. Step 4: Simplify right side
    7,766.59x = 47,268,969.64
  5. Step 5: Solve for x
    x = 47,268,969.64/7,766.59
  6. Step 6: Final answer
    x = 6,086.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.