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Finding the Fourth Proportional to 2,875.33, 3,968.33 and 1,756.03

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Solution

The fourth proportional to 2,875.33, 3,968.33 and 1,756.03 is: 2,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.33 : 3,968.33 = 1,756.03 : x
  2. Step 2: Convert to fraction form
    2,875.33/3,968.33 = 1,756.03/x
  3. Step 3: Cross multiply
    2,875.33x = 3,968.33 × 1,756.03
  4. Step 4: Simplify right side
    2,875.33x = 6,968,512.63
  5. Step 5: Solve for x
    x = 6,968,512.63/2,875.33
  6. Step 6: Final answer
    x = 2,423.55

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1.5x scale

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.