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Finding the Fourth Proportional to 24,878.99, 34,366.59 and 19,878.27

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Solution

The fourth proportional to 24,878.99, 34,366.59 and 19,878.27 is: 27,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,878.99 : 34,366.59 = 19,878.27 : x
  2. Step 2: Convert to fraction form
    24,878.99/34,366.59 = 19,878.27/x
  3. Step 3: Cross multiply
    24,878.99x = 34,366.59 × 19,878.27
  4. Step 4: Simplify right side
    24,878.99x = 683,148,355.00
  5. Step 5: Solve for x
    x = 683,148,355.00/24,878.99
  6. Step 6: Final answer
    x = 27,458.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.