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Finding the Fourth Proportional to 17,445.76, 24,070.08 and 10,821.76

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Solution

The fourth proportional to 17,445.76, 24,070.08 and 10,821.76 is: 14,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.76 : 24,070.08 = 10,821.76 : x
  2. Step 2: Convert to fraction form
    17,445.76/24,070.08 = 10,821.76/x
  3. Step 3: Cross multiply
    17,445.76x = 24,070.08 × 10,821.76
  4. Step 4: Simplify right side
    17,445.76x = 260,480,628.94
  5. Step 5: Solve for x
    x = 260,480,628.94/17,445.76
  6. Step 6: Final answer
    x = 14,930.88

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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.