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Finding the Fourth Proportional to 16,645.40, 24,894.62 and 14,809.40

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Solution

The fourth proportional to 16,645.40, 24,894.62 and 14,809.40 is: 22,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,645.40 : 24,894.62 = 14,809.40 : x
  2. Step 2: Convert to fraction form
    16,645.40/24,894.62 = 14,809.40/x
  3. Step 3: Cross multiply
    16,645.40x = 24,894.62 × 14,809.40
  4. Step 4: Simplify right side
    16,645.40x = 368,674,385.43
  5. Step 5: Solve for x
    x = 368,674,385.43/16,645.40
  6. Step 6: Final answer
    x = 22,148.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.