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Finding the Fourth Proportional to 14,945.93, 20,624.96 and 8,573.58

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Solution

The fourth proportional to 14,945.93, 20,624.96 and 8,573.58 is: 11,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.93 : 20,624.96 = 8,573.58 : x
  2. Step 2: Convert to fraction form
    14,945.93/20,624.96 = 8,573.58/x
  3. Step 3: Cross multiply
    14,945.93x = 20,624.96 × 8,573.58
  4. Step 4: Simplify right side
    14,945.93x = 176,829,701.69
  5. Step 5: Solve for x
    x = 176,829,701.69/14,945.93
  6. Step 6: Final answer
    x = 11,831.30

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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.