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Finding the Fourth Proportional to 5,307.73, 7,960.53 and 5,044.28

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Solution

The fourth proportional to 5,307.73, 7,960.53 and 5,044.28 is: 7,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.73 : 7,960.53 = 5,044.28 : x
  2. Step 2: Convert to fraction form
    5,307.73/7,960.53 = 5,044.28/x
  3. Step 3: Cross multiply
    5,307.73x = 7,960.53 × 5,044.28
  4. Step 4: Simplify right side
    5,307.73x = 40,155,093.01
  5. Step 5: Solve for x
    x = 40,155,093.01/5,307.73
  6. Step 6: Final answer
    x = 7,565.40

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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.