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Finding the Fourth Proportional to 17,480.63, 24,133.05 and 13,384.68

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Solution

The fourth proportional to 17,480.63, 24,133.05 and 13,384.68 is: 18,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,480.63 : 24,133.05 = 13,384.68 : x
  2. Step 2: Convert to fraction form
    17,480.63/24,133.05 = 13,384.68/x
  3. Step 3: Cross multiply
    17,480.63x = 24,133.05 × 13,384.68
  4. Step 4: Simplify right side
    17,480.63x = 323,013,151.67
  5. Step 5: Solve for x
    x = 323,013,151.67/17,480.63
  6. Step 6: Final answer
    x = 18,478.35

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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.