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Finding the Fourth Proportional to 6,775.68, 10,151.88 and 6,090.90

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Solution

The fourth proportional to 6,775.68, 10,151.88 and 6,090.90 is: 9,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.68 : 10,151.88 = 6,090.90 : x
  2. Step 2: Convert to fraction form
    6,775.68/10,151.88 = 6,090.90/x
  3. Step 3: Cross multiply
    6,775.68x = 10,151.88 × 6,090.90
  4. Step 4: Simplify right side
    6,775.68x = 61,834,085.89
  5. Step 5: Solve for x
    x = 61,834,085.89/6,775.68
  6. Step 6: Final answer
    x = 9,125.89

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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.