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Finding the Fourth Proportional to 14,412.62, 19,886.39 and 8,750.33

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Solution

The fourth proportional to 14,412.62, 19,886.39 and 8,750.33 is: 12,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.62 : 19,886.39 = 8,750.33 : x
  2. Step 2: Convert to fraction form
    14,412.62/19,886.39 = 8,750.33/x
  3. Step 3: Cross multiply
    14,412.62x = 19,886.39 × 8,750.33
  4. Step 4: Simplify right side
    14,412.62x = 174,012,431.26
  5. Step 5: Solve for x
    x = 174,012,431.26/14,412.62
  6. Step 6: Final answer
    x = 12,073.62

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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.