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Finding the Fourth Proportional to 7,685.08, 11,475.59 and 6,741.04

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Solution

The fourth proportional to 7,685.08, 11,475.59 and 6,741.04 is: 10,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.08 : 11,475.59 = 6,741.04 : x
  2. Step 2: Convert to fraction form
    7,685.08/11,475.59 = 6,741.04/x
  3. Step 3: Cross multiply
    7,685.08x = 11,475.59 × 6,741.04
  4. Step 4: Simplify right side
    7,685.08x = 77,357,411.21
  5. Step 5: Solve for x
    x = 77,357,411.21/7,685.08
  6. Step 6: Final answer
    x = 10,065.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.