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Finding the Fourth Proportional to 1,576.01, 2,364.69 and 881.63

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Solution

The fourth proportional to 1,576.01, 2,364.69 and 881.63 is: 1,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.01 : 2,364.69 = 881.63 : x
  2. Step 2: Convert to fraction form
    1,576.01/2,364.69 = 881.63/x
  3. Step 3: Cross multiply
    1,576.01x = 2,364.69 × 881.63
  4. Step 4: Simplify right side
    1,576.01x = 2,084,795.30
  5. Step 5: Solve for x
    x = 2,084,795.30/1,576.01
  6. Step 6: Final answer
    x = 1,322.83

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1.5x scale

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.