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Finding the Fourth Proportional to 29,920.32, 44,888.80 and 13,054.80

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Solution

The fourth proportional to 29,920.32, 44,888.80 and 13,054.80 is: 19,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,920.32 : 44,888.80 = 13,054.80 : x
  2. Step 2: Convert to fraction form
    29,920.32/44,888.80 = 13,054.80/x
  3. Step 3: Cross multiply
    29,920.32x = 44,888.80 × 13,054.80
  4. Step 4: Simplify right side
    29,920.32x = 586,014,306.24
  5. Step 5: Solve for x
    x = 586,014,306.24/29,920.32
  6. Step 6: Final answer
    x = 19,585.83

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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.