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Finding the Fourth Proportional to 22,444.50, 30,973.40 and 12,373.11

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Solution

The fourth proportional to 22,444.50, 30,973.40 and 12,373.11 is: 17,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,444.50 : 30,973.40 = 12,373.11 : x
  2. Step 2: Convert to fraction form
    22,444.50/30,973.40 = 12,373.11/x
  3. Step 3: Cross multiply
    22,444.50x = 30,973.40 × 12,373.11
  4. Step 4: Simplify right side
    22,444.50x = 383,237,130.41
  5. Step 5: Solve for x
    x = 383,237,130.41/22,444.50
  6. Step 6: Final answer
    x = 17,074.88

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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.