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Finding the Fourth Proportional to 17,838.60, 24,618.60 and 9,883.32

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Solution

The fourth proportional to 17,838.60, 24,618.60 and 9,883.32 is: 13,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.60 : 24,618.60 = 9,883.32 : x
  2. Step 2: Convert to fraction form
    17,838.60/24,618.60 = 9,883.32/x
  3. Step 3: Cross multiply
    17,838.60x = 24,618.60 × 9,883.32
  4. Step 4: Simplify right side
    17,838.60x = 243,313,501.75
  5. Step 5: Solve for x
    x = 243,313,501.75/17,838.60
  6. Step 6: Final answer
    x = 13,639.72

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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.