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Finding the Fourth Proportional to 4,660.67, 6,981.68 and 2,810.76

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Solution

The fourth proportional to 4,660.67, 6,981.68 and 2,810.76 is: 4,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.67 : 6,981.68 = 2,810.76 : x
  2. Step 2: Convert to fraction form
    4,660.67/6,981.68 = 2,810.76/x
  3. Step 3: Cross multiply
    4,660.67x = 6,981.68 × 2,810.76
  4. Step 4: Simplify right side
    4,660.67x = 19,623,812.82
  5. Step 5: Solve for x
    x = 19,623,812.82/4,660.67
  6. Step 6: Final answer
    x = 4,210.52

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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.