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Finding the Fourth Proportional to 14,232.60, 19,642.80 and 8,263.08

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Solution

The fourth proportional to 14,232.60, 19,642.80 and 8,263.08 is: 11,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232.60 : 19,642.80 = 8,263.08 : x
  2. Step 2: Convert to fraction form
    14,232.60/19,642.80 = 8,263.08/x
  3. Step 3: Cross multiply
    14,232.60x = 19,642.80 × 8,263.08
  4. Step 4: Simplify right side
    14,232.60x = 162,310,027.82
  5. Step 5: Solve for x
    x = 162,310,027.82/14,232.60
  6. Step 6: Final answer
    x = 11,404.10

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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.