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Finding the Fourth Proportional to 1,762.59, 2,432.67 and 1,016.99

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Solution

The fourth proportional to 1,762.59, 2,432.67 and 1,016.99 is: 1,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.59 : 2,432.67 = 1,016.99 : x
  2. Step 2: Convert to fraction form
    1,762.59/2,432.67 = 1,016.99/x
  3. Step 3: Cross multiply
    1,762.59x = 2,432.67 × 1,016.99
  4. Step 4: Simplify right side
    1,762.59x = 2,473,988.90
  5. Step 5: Solve for x
    x = 2,473,988.90/1,762.59
  6. Step 6: Final answer
    x = 1,403.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.