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Finding the Fourth Proportional to 7,792.77, 11,689.16 and 2,598.65

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Solution

The fourth proportional to 7,792.77, 11,689.16 and 2,598.65 is: 3,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.77 : 11,689.16 = 2,598.65 : x
  2. Step 2: Convert to fraction form
    7,792.77/11,689.16 = 2,598.65/x
  3. Step 3: Cross multiply
    7,792.77x = 11,689.16 × 2,598.65
  4. Step 4: Simplify right side
    7,792.77x = 30,376,035.63
  5. Step 5: Solve for x
    x = 30,376,035.63/7,792.77
  6. Step 6: Final answer
    x = 3,897.98

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Double scale
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Similar ratio
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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.