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Finding the Fourth Proportional to 14,454.52, 19,938.52 and 8,785.36

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Solution

The fourth proportional to 14,454.52, 19,938.52 and 8,785.36 is: 12,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.52 : 19,938.52 = 8,785.36 : x
  2. Step 2: Convert to fraction form
    14,454.52/19,938.52 = 8,785.36/x
  3. Step 3: Cross multiply
    14,454.52x = 19,938.52 × 8,785.36
  4. Step 4: Simplify right side
    14,454.52x = 175,167,076.07
  5. Step 5: Solve for x
    x = 175,167,076.07/14,454.52
  6. Step 6: Final answer
    x = 12,118.50

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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.