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Finding the Fourth Proportional to 29,886.16, 44,768.64 and 13,853.16

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Solution

The fourth proportional to 29,886.16, 44,768.64 and 13,853.16 is: 20,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,886.16 : 44,768.64 = 13,853.16 : x
  2. Step 2: Convert to fraction form
    29,886.16/44,768.64 = 13,853.16/x
  3. Step 3: Cross multiply
    29,886.16x = 44,768.64 × 13,853.16
  4. Step 4: Simplify right side
    29,886.16x = 620,187,127.92
  5. Step 5: Solve for x
    x = 620,187,127.92/29,886.16
  6. Step 6: Final answer
    x = 20,751.65

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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.