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Finding the Fourth Proportional to 1,755.76, 2,423.04 and 1,047.52

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Solution

The fourth proportional to 1,755.76, 2,423.04 and 1,047.52 is: 1,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.76 : 2,423.04 = 1,047.52 : x
  2. Step 2: Convert to fraction form
    1,755.76/2,423.04 = 1,047.52/x
  3. Step 3: Cross multiply
    1,755.76x = 2,423.04 × 1,047.52
  4. Step 4: Simplify right side
    1,755.76x = 2,538,182.86
  5. Step 5: Solve for x
    x = 2,538,182.86/1,755.76
  6. Step 6: Final answer
    x = 1,445.63

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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.