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Finding the Fourth Proportional to 12,483.74, 18,725.29 and 5,088.17

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Solution

The fourth proportional to 12,483.74, 18,725.29 and 5,088.17 is: 7,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.74 : 18,725.29 = 5,088.17 : x
  2. Step 2: Convert to fraction form
    12,483.74/18,725.29 = 5,088.17/x
  3. Step 3: Cross multiply
    12,483.74x = 18,725.29 × 5,088.17
  4. Step 4: Simplify right side
    12,483.74x = 95,277,458.82
  5. Step 5: Solve for x
    x = 95,277,458.82/12,483.74
  6. Step 6: Final answer
    x = 7,632.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.