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Finding the Fourth Proportional to 17,957.76, 24,756.03 and 12,636.06

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Solution

The fourth proportional to 17,957.76, 24,756.03 and 12,636.06 is: 17,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.76 : 24,756.03 = 12,636.06 : x
  2. Step 2: Convert to fraction form
    17,957.76/24,756.03 = 12,636.06/x
  3. Step 3: Cross multiply
    17,957.76x = 24,756.03 × 12,636.06
  4. Step 4: Simplify right side
    17,957.76x = 312,818,680.44
  5. Step 5: Solve for x
    x = 312,818,680.44/17,957.76
  6. Step 6: Final answer
    x = 17,419.69

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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.