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Finding the Fourth Proportional to 7,756.51, 10,704.19 and 4,398.68

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Solution

The fourth proportional to 7,756.51, 10,704.19 and 4,398.68 is: 6,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.51 : 10,704.19 = 4,398.68 : x
  2. Step 2: Convert to fraction form
    7,756.51/10,704.19 = 4,398.68/x
  3. Step 3: Cross multiply
    7,756.51x = 10,704.19 × 4,398.68
  4. Step 4: Simplify right side
    7,756.51x = 47,084,306.47
  5. Step 5: Solve for x
    x = 47,084,306.47/7,756.51
  6. Step 6: Final answer
    x = 6,070.30

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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.