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Finding the Fourth Proportional to 55,607.01, 83,409.73 and 13,487.47

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Solution

The fourth proportional to 55,607.01, 83,409.73 and 13,487.47 is: 20,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,607.01 : 83,409.73 = 13,487.47 : x
  2. Step 2: Convert to fraction form
    55,607.01/83,409.73 = 13,487.47/x
  3. Step 3: Cross multiply
    55,607.01x = 83,409.73 × 13,487.47
  4. Step 4: Simplify right side
    55,607.01x = 1,124,986,231.08
  5. Step 5: Solve for x
    x = 1,124,986,231.08/55,607.01
  6. Step 6: Final answer
    x = 20,231.01

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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.