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Finding the Fourth Proportional to 4,981.67, 7,502.16 and 4,340.15

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Solution

The fourth proportional to 4,981.67, 7,502.16 and 4,340.15 is: 6,536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.67 : 7,502.16 = 4,340.15 : x
  2. Step 2: Convert to fraction form
    4,981.67/7,502.16 = 4,340.15/x
  3. Step 3: Cross multiply
    4,981.67x = 7,502.16 × 4,340.15
  4. Step 4: Simplify right side
    4,981.67x = 32,560,462.21
  5. Step 5: Solve for x
    x = 32,560,462.21/4,981.67
  6. Step 6: Final answer
    x = 6,536.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.