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Finding the Fourth Proportional to 22,483.32, 31,027.09 and 12,411.58

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Solution

The fourth proportional to 22,483.32, 31,027.09 and 12,411.58 is: 17,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,483.32 : 31,027.09 = 12,411.58 : x
  2. Step 2: Convert to fraction form
    22,483.32/31,027.09 = 12,411.58/x
  3. Step 3: Cross multiply
    22,483.32x = 31,027.09 × 12,411.58
  4. Step 4: Simplify right side
    22,483.32x = 385,095,217.46
  5. Step 5: Solve for x
    x = 385,095,217.46/22,483.32
  6. Step 6: Final answer
    x = 17,128.04

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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.