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Finding the Fourth Proportional to 1,701.76, 2,348.60 and 1,039.06

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Solution

The fourth proportional to 1,701.76, 2,348.60 and 1,039.06 is: 1,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.76 : 2,348.60 = 1,039.06 : x
  2. Step 2: Convert to fraction form
    1,701.76/2,348.60 = 1,039.06/x
  3. Step 3: Cross multiply
    1,701.76x = 2,348.60 × 1,039.06
  4. Step 4: Simplify right side
    1,701.76x = 2,440,319.38
  5. Step 5: Solve for x
    x = 2,440,319.38/1,701.76
  6. Step 6: Final answer
    x = 1,434.00

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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.