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Finding the Fourth Proportional to 1,699.01, 2,342.95 and 1,130.93

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Solution

The fourth proportional to 1,699.01, 2,342.95 and 1,130.93 is: 1,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.01 : 2,342.95 = 1,130.93 : x
  2. Step 2: Convert to fraction form
    1,699.01/2,342.95 = 1,130.93/x
  3. Step 3: Cross multiply
    1,699.01x = 2,342.95 × 1,130.93
  4. Step 4: Simplify right side
    1,699.01x = 2,649,712.44
  5. Step 5: Solve for x
    x = 2,649,712.44/1,699.01
  6. Step 6: Final answer
    x = 1,559.56

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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.