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Finding the Fourth Proportional to 1,746.98, 2,409.96 and 1,038.50

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Solution

The fourth proportional to 1,746.98, 2,409.96 and 1,038.50 is: 1,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.98 : 2,409.96 = 1,038.50 : x
  2. Step 2: Convert to fraction form
    1,746.98/2,409.96 = 1,038.50/x
  3. Step 3: Cross multiply
    1,746.98x = 2,409.96 × 1,038.50
  4. Step 4: Simplify right side
    1,746.98x = 2,502,743.46
  5. Step 5: Solve for x
    x = 2,502,743.46/1,746.98
  6. Step 6: Final answer
    x = 1,432.61

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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.