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Finding the Fourth Proportional to 1,124.03, 1,550.61 and 751.10

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Solution

The fourth proportional to 1,124.03, 1,550.61 and 751.10 is: 1,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.03 : 1,550.61 = 751.10 : x
  2. Step 2: Convert to fraction form
    1,124.03/1,550.61 = 751.10/x
  3. Step 3: Cross multiply
    1,124.03x = 1,550.61 × 751.10
  4. Step 4: Simplify right side
    1,124.03x = 1,164,656.61
  5. Step 5: Solve for x
    x = 1,164,656.61/1,124.03
  6. Step 6: Final answer
    x = 1,036.15

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