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Finding the Fourth Proportional to 34,404.80, 51,616.80 and 16,875.20

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Solution

The fourth proportional to 34,404.80, 51,616.80 and 16,875.20 is: 25,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,404.80 : 51,616.80 = 16,875.20 : x
  2. Step 2: Convert to fraction form
    34,404.80/51,616.80 = 16,875.20/x
  3. Step 3: Cross multiply
    34,404.80x = 51,616.80 × 16,875.20
  4. Step 4: Simplify right side
    34,404.80x = 871,043,823.36
  5. Step 5: Solve for x
    x = 871,043,823.36/34,404.80
  6. Step 6: Final answer
    x = 25,317.51

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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.