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Finding the Fourth Proportional to 8,927.18, 13,390.22 and 2,353.22

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Solution

The fourth proportional to 8,927.18, 13,390.22 and 2,353.22 is: 3,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.18 : 13,390.22 = 2,353.22 : x
  2. Step 2: Convert to fraction form
    8,927.18/13,390.22 = 2,353.22/x
  3. Step 3: Cross multiply
    8,927.18x = 13,390.22 × 2,353.22
  4. Step 4: Simplify right side
    8,927.18x = 31,510,133.51
  5. Step 5: Solve for x
    x = 31,510,133.51/8,927.18
  6. Step 6: Final answer
    x = 3,529.69

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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.