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Finding the Fourth Proportional to 22,394.54, 30,903.80 and 12,323.00

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Solution

The fourth proportional to 22,394.54, 30,903.80 and 12,323.00 is: 17,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,394.54 : 30,903.80 = 12,323.00 : x
  2. Step 2: Convert to fraction form
    22,394.54/30,903.80 = 12,323.00/x
  3. Step 3: Cross multiply
    22,394.54x = 30,903.80 × 12,323.00
  4. Step 4: Simplify right side
    22,394.54x = 380,827,543.04
  5. Step 5: Solve for x
    x = 380,827,543.04/22,394.54
  6. Step 6: Final answer
    x = 17,005.37

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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.