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Finding the Fourth Proportional to 38,855.96, 53,620.98 and 22,088.96

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Solution

The fourth proportional to 38,855.96, 53,620.98 and 22,088.96 is: 30,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855.96 : 53,620.98 = 22,088.96 : x
  2. Step 2: Convert to fraction form
    38,855.96/53,620.98 = 22,088.96/x
  3. Step 3: Cross multiply
    38,855.96x = 53,620.98 × 22,088.96
  4. Step 4: Simplify right side
    38,855.96x = 1,184,431,682.38
  5. Step 5: Solve for x
    x = 1,184,431,682.38/38,855.96
  6. Step 6: Final answer
    x = 30,482.63

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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.