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Finding the Fourth Proportional to 14,342.42, 19,788.49 and 8,597.54

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Solution

The fourth proportional to 14,342.42, 19,788.49 and 8,597.54 is: 11,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.42 : 19,788.49 = 8,597.54 : x
  2. Step 2: Convert to fraction form
    14,342.42/19,788.49 = 8,597.54/x
  3. Step 3: Cross multiply
    14,342.42x = 19,788.49 × 8,597.54
  4. Step 4: Simplify right side
    14,342.42x = 170,132,334.31
  5. Step 5: Solve for x
    x = 170,132,334.31/14,342.42
  6. Step 6: Final answer
    x = 11,862.18

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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.