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Finding the Fourth Proportional to 1,675.60, 2,513.80 and 701.16

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Solution

The fourth proportional to 1,675.60, 2,513.80 and 701.16 is: 1,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.60 : 2,513.80 = 701.16 : x
  2. Step 2: Convert to fraction form
    1,675.60/2,513.80 = 701.16/x
  3. Step 3: Cross multiply
    1,675.60x = 2,513.80 × 701.16
  4. Step 4: Simplify right side
    1,675.60x = 1,762,576.01
  5. Step 5: Solve for x
    x = 1,762,576.01/1,675.60
  6. Step 6: Final answer
    x = 1,051.91

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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.