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Finding the Fourth Proportional to 22,047.63, 30,425.13 and 12,615.59

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Solution

The fourth proportional to 22,047.63, 30,425.13 and 12,615.59 is: 17,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.63 : 30,425.13 = 12,615.59 : x
  2. Step 2: Convert to fraction form
    22,047.63/30,425.13 = 12,615.59/x
  3. Step 3: Cross multiply
    22,047.63x = 30,425.13 × 12,615.59
  4. Step 4: Simplify right side
    22,047.63x = 383,830,813.65
  5. Step 5: Solve for x
    x = 383,830,813.65/22,047.63
  6. Step 6: Final answer
    x = 17,409.16

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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.