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Finding the Fourth Proportional to 1,888.16, 2,829.16 and 962.46

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Solution

The fourth proportional to 1,888.16, 2,829.16 and 962.46 is: 1,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.16 : 2,829.16 = 962.46 : x
  2. Step 2: Convert to fraction form
    1,888.16/2,829.16 = 962.46/x
  3. Step 3: Cross multiply
    1,888.16x = 2,829.16 × 962.46
  4. Step 4: Simplify right side
    1,888.16x = 2,722,953.33
  5. Step 5: Solve for x
    x = 2,722,953.33/1,888.16
  6. Step 6: Final answer
    x = 1,442.12

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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.