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Finding the Fourth Proportional to 55,548.76, 83,328.48 and 15,567.76

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Solution

The fourth proportional to 55,548.76, 83,328.48 and 15,567.76 is: 23,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,548.76 : 83,328.48 = 15,567.76 : x
  2. Step 2: Convert to fraction form
    55,548.76/83,328.48 = 15,567.76/x
  3. Step 3: Cross multiply
    55,548.76x = 83,328.48 × 15,567.76
  4. Step 4: Simplify right side
    55,548.76x = 1,297,237,777.80
  5. Step 5: Solve for x
    x = 1,297,237,777.80/55,548.76
  6. Step 6: Final answer
    x = 23,353.14

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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.