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Finding the Fourth Proportional to 1,673.59, 2,309.12 and 1,010.44

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Solution

The fourth proportional to 1,673.59, 2,309.12 and 1,010.44 is: 1,394.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.59 : 2,309.12 = 1,010.44 : x
  2. Step 2: Convert to fraction form
    1,673.59/2,309.12 = 1,010.44/x
  3. Step 3: Cross multiply
    1,673.59x = 2,309.12 × 1,010.44
  4. Step 4: Simplify right side
    1,673.59x = 2,333,222.16
  5. Step 5: Solve for x
    x = 2,333,222.16/1,673.59
  6. Step 6: Final answer
    x = 1,394.14

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1.5x scale

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.