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Finding the Fourth Proportional to 22,417.56, 33,606.86 and 11,315

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Solution

The fourth proportional to 22,417.56, 33,606.86 and 11,315 is: 16,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,417.56 : 33,606.86 = 11,315 : x
  2. Step 2: Convert to fraction form
    22,417.56/33,606.86 = 11,315/x
  3. Step 3: Cross multiply
    22,417.56x = 33,606.86 × 11,315
  4. Step 4: Simplify right side
    22,417.56x = 380,261,620.90
  5. Step 5: Solve for x
    x = 380,261,620.90/22,417.56
  6. Step 6: Final answer
    x = 16,962.67

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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.