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Finding the Fourth Proportional to 3,510.59, 5,267.43 and 1,866.74

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Solution

The fourth proportional to 3,510.59, 5,267.43 and 1,866.74 is: 2,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.59 : 5,267.43 = 1,866.74 : x
  2. Step 2: Convert to fraction form
    3,510.59/5,267.43 = 1,866.74/x
  3. Step 3: Cross multiply
    3,510.59x = 5,267.43 × 1,866.74
  4. Step 4: Simplify right side
    3,510.59x = 9,832,895.94
  5. Step 5: Solve for x
    x = 9,832,895.94/3,510.59
  6. Step 6: Final answer
    x = 2,800.93

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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.