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Finding the Fourth Proportional to 8,291.17, 12,375.70 and 7,598.62

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Solution

The fourth proportional to 8,291.17, 12,375.70 and 7,598.62 is: 11,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.17 : 12,375.70 = 7,598.62 : x
  2. Step 2: Convert to fraction form
    8,291.17/12,375.70 = 7,598.62/x
  3. Step 3: Cross multiply
    8,291.17x = 12,375.70 × 7,598.62
  4. Step 4: Simplify right side
    8,291.17x = 94,038,260.53
  5. Step 5: Solve for x
    x = 94,038,260.53/8,291.17
  6. Step 6: Final answer
    x = 11,341.98

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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.