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Finding the Fourth Proportional to 1,502.76, 2,062.77 and 1,333.28

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Solution

The fourth proportional to 1,502.76, 2,062.77 and 1,333.28 is: 1,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.76 : 2,062.77 = 1,333.28 : x
  2. Step 2: Convert to fraction form
    1,502.76/2,062.77 = 1,333.28/x
  3. Step 3: Cross multiply
    1,502.76x = 2,062.77 × 1,333.28
  4. Step 4: Simplify right side
    1,502.76x = 2,750,239.67
  5. Step 5: Solve for x
    x = 2,750,239.67/1,502.76
  6. Step 6: Final answer
    x = 1,830.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.