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Finding the Fourth Proportional to 17,636.66, 24,337.81 and 9,678.90

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Solution

The fourth proportional to 17,636.66, 24,337.81 and 9,678.90 is: 13,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,636.66 : 24,337.81 = 9,678.90 : x
  2. Step 2: Convert to fraction form
    17,636.66/24,337.81 = 9,678.90/x
  3. Step 3: Cross multiply
    17,636.66x = 24,337.81 × 9,678.90
  4. Step 4: Simplify right side
    17,636.66x = 235,563,229.21
  5. Step 5: Solve for x
    x = 235,563,229.21/17,636.66
  6. Step 6: Final answer
    x = 13,356.45

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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.