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Finding the Fourth Proportional to 8,753.68, 13,130.54 and 5,810.94

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Solution

The fourth proportional to 8,753.68, 13,130.54 and 5,810.94 is: 8,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.68 : 13,130.54 = 5,810.94 : x
  2. Step 2: Convert to fraction form
    8,753.68/13,130.54 = 5,810.94/x
  3. Step 3: Cross multiply
    8,753.68x = 13,130.54 × 5,810.94
  4. Step 4: Simplify right side
    8,753.68x = 76,300,780.11
  5. Step 5: Solve for x
    x = 76,300,780.11/8,753.68
  6. Step 6: Final answer
    x = 8,716.42

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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.