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Finding the Fourth Proportional to 53,509.62, 80,273.52 and 26,868.30

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Solution

The fourth proportional to 53,509.62, 80,273.52 and 26,868.30 is: 40,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,509.62 : 80,273.52 = 26,868.30 : x
  2. Step 2: Convert to fraction form
    53,509.62/80,273.52 = 26,868.30/x
  3. Step 3: Cross multiply
    53,509.62x = 80,273.52 × 26,868.30
  4. Step 4: Simplify right side
    53,509.62x = 2,156,813,017.42
  5. Step 5: Solve for x
    x = 2,156,813,017.42/53,509.62
  6. Step 6: Final answer
    x = 40,307.01

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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.