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Finding the Fourth Proportional to 6,070.04, 9,105.40 and 1,687.40

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Solution

The fourth proportional to 6,070.04, 9,105.40 and 1,687.40 is: 2,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,070.04 : 9,105.40 = 1,687.40 : x
  2. Step 2: Convert to fraction form
    6,070.04/9,105.40 = 1,687.40/x
  3. Step 3: Cross multiply
    6,070.04x = 9,105.40 × 1,687.40
  4. Step 4: Simplify right side
    6,070.04x = 15,364,451.96
  5. Step 5: Solve for x
    x = 15,364,451.96/6,070.04
  6. Step 6: Final answer
    x = 2,531.19

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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.