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Finding the Fourth Proportional to 35,862.90, 53,788.14 and 10,896.90

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Solution

The fourth proportional to 35,862.90, 53,788.14 and 10,896.90 is: 16,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,862.90 : 53,788.14 = 10,896.90 : x
  2. Step 2: Convert to fraction form
    35,862.90/53,788.14 = 10,896.90/x
  3. Step 3: Cross multiply
    35,862.90x = 53,788.14 × 10,896.90
  4. Step 4: Simplify right side
    35,862.90x = 586,123,982.77
  5. Step 5: Solve for x
    x = 586,123,982.77/35,862.90
  6. Step 6: Final answer
    x = 16,343.46

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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.