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Finding the Fourth Proportional to 1,496.54, 2,064.21 and 875.18

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Solution

The fourth proportional to 1,496.54, 2,064.21 and 875.18 is: 1,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.54 : 2,064.21 = 875.18 : x
  2. Step 2: Convert to fraction form
    1,496.54/2,064.21 = 875.18/x
  3. Step 3: Cross multiply
    1,496.54x = 2,064.21 × 875.18
  4. Step 4: Simplify right side
    1,496.54x = 1,806,555.31
  5. Step 5: Solve for x
    x = 1,806,555.31/1,496.54
  6. Step 6: Final answer
    x = 1,207.15

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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.