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Finding the Fourth Proportional to 2,875.01, 3,967.95 and 1,756.60

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Solution

The fourth proportional to 2,875.01, 3,967.95 and 1,756.60 is: 2,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.01 : 3,967.95 = 1,756.60 : x
  2. Step 2: Convert to fraction form
    2,875.01/3,967.95 = 1,756.60/x
  3. Step 3: Cross multiply
    2,875.01x = 3,967.95 × 1,756.60
  4. Step 4: Simplify right side
    2,875.01x = 6,970,100.97
  5. Step 5: Solve for x
    x = 6,970,100.97/2,875.01
  6. Step 6: Final answer
    x = 2,424.37

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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.