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Finding the Fourth Proportional to 1,703.16, 2,553.95 and 1,009.93

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Solution

The fourth proportional to 1,703.16, 2,553.95 and 1,009.93 is: 1,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.16 : 2,553.95 = 1,009.93 : x
  2. Step 2: Convert to fraction form
    1,703.16/2,553.95 = 1,009.93/x
  3. Step 3: Cross multiply
    1,703.16x = 2,553.95 × 1,009.93
  4. Step 4: Simplify right side
    1,703.16x = 2,579,305.67
  5. Step 5: Solve for x
    x = 2,579,305.67/1,703.16
  6. Step 6: Final answer
    x = 1,514.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.