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Finding the Fourth Proportional to 5,256.60, 7,254.60 and 2,899.08

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Solution

The fourth proportional to 5,256.60, 7,254.60 and 2,899.08 is: 4,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.60 : 7,254.60 = 2,899.08 : x
  2. Step 2: Convert to fraction form
    5,256.60/7,254.60 = 2,899.08/x
  3. Step 3: Cross multiply
    5,256.60x = 7,254.60 × 2,899.08
  4. Step 4: Simplify right side
    5,256.60x = 21,031,665.77
  5. Step 5: Solve for x
    x = 21,031,665.77/5,256.60
  6. Step 6: Final answer
    x = 4,001.00

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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.