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Finding the Fourth Proportional to 1,062.99, 1,583.70 and 1,010.70

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Solution

The fourth proportional to 1,062.99, 1,583.70 and 1,010.70 is: 1,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.99 : 1,583.70 = 1,010.70 : x
  2. Step 2: Convert to fraction form
    1,062.99/1,583.70 = 1,010.70/x
  3. Step 3: Cross multiply
    1,062.99x = 1,583.70 × 1,010.70
  4. Step 4: Simplify right side
    1,062.99x = 1,600,645.59
  5. Step 5: Solve for x
    x = 1,600,645.59/1,062.99
  6. Step 6: Final answer
    x = 1,505.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.