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Finding the Fourth Proportional to 10,038.36, 13,852.92 and 5,562.39

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Solution

The fourth proportional to 10,038.36, 13,852.92 and 5,562.39 is: 7,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.36 : 13,852.92 = 5,562.39 : x
  2. Step 2: Convert to fraction form
    10,038.36/13,852.92 = 5,562.39/x
  3. Step 3: Cross multiply
    10,038.36x = 13,852.92 × 5,562.39
  4. Step 4: Simplify right side
    10,038.36x = 77,055,343.68
  5. Step 5: Solve for x
    x = 77,055,343.68/10,038.36
  6. Step 6: Final answer
    x = 7,676.09

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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.