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Finding the Fourth Proportional to 39,922, 59,882.76 and 10,339.76

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Solution

The fourth proportional to 39,922, 59,882.76 and 10,339.76 is: 15,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,922 : 59,882.76 = 10,339.76 : x
  2. Step 2: Convert to fraction form
    39,922/59,882.76 = 10,339.76/x
  3. Step 3: Cross multiply
    39,922x = 59,882.76 × 10,339.76
  4. Step 4: Simplify right side
    39,922x = 619,173,366.54
  5. Step 5: Solve for x
    x = 619,173,366.54/39,922
  6. Step 6: Final answer
    x = 15,509.58

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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.