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Finding the Fourth Proportional to 35,538.60, 53,298.60 and 10,571.92

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Solution

The fourth proportional to 35,538.60, 53,298.60 and 10,571.92 is: 15,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,538.60 : 53,298.60 = 10,571.92 : x
  2. Step 2: Convert to fraction form
    35,538.60/53,298.60 = 10,571.92/x
  3. Step 3: Cross multiply
    35,538.60x = 53,298.60 × 10,571.92
  4. Step 4: Simplify right side
    35,538.60x = 563,468,535.31
  5. Step 5: Solve for x
    x = 563,468,535.31/35,538.60
  6. Step 6: Final answer
    x = 15,855.11

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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.