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Finding the Fourth Proportional to 14,970.52, 20,660.16 and 8,597.04

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Solution

The fourth proportional to 14,970.52, 20,660.16 and 8,597.04 is: 11,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.52 : 20,660.16 = 8,597.04 : x
  2. Step 2: Convert to fraction form
    14,970.52/20,660.16 = 8,597.04/x
  3. Step 3: Cross multiply
    14,970.52x = 20,660.16 × 8,597.04
  4. Step 4: Simplify right side
    14,970.52x = 177,616,221.93
  5. Step 5: Solve for x
    x = 177,616,221.93/14,970.52
  6. Step 6: Final answer
    x = 11,864.40

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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.