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Finding the Fourth Proportional to 7,598.30, 11,294.90 and 7,374.05

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Solution

The fourth proportional to 7,598.30, 11,294.90 and 7,374.05 is: 10,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,598.30 : 11,294.90 = 7,374.05 : x
  2. Step 2: Convert to fraction form
    7,598.30/11,294.90 = 7,374.05/x
  3. Step 3: Cross multiply
    7,598.30x = 11,294.90 × 7,374.05
  4. Step 4: Simplify right side
    7,598.30x = 83,289,064.00
  5. Step 5: Solve for x
    x = 83,289,064.00/7,598.30
  6. Step 6: Final answer
    x = 10,961.55

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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.