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Finding the Fourth Proportional to 14,458.40, 19,944.88 and 8,794.88

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Solution

The fourth proportional to 14,458.40, 19,944.88 and 8,794.88 is: 12,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.40 : 19,944.88 = 8,794.88 : x
  2. Step 2: Convert to fraction form
    14,458.40/19,944.88 = 8,794.88/x
  3. Step 3: Cross multiply
    14,458.40x = 19,944.88 × 8,794.88
  4. Step 4: Simplify right side
    14,458.40x = 175,412,828.77
  5. Step 5: Solve for x
    x = 175,412,828.77/14,458.40
  6. Step 6: Final answer
    x = 12,132.24

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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.