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Finding the Fourth Proportional to 9,888.80, 14,827.68 and 4,049.51

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Solution

The fourth proportional to 9,888.80, 14,827.68 and 4,049.51 is: 6,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.80 : 14,827.68 = 4,049.51 : x
  2. Step 2: Convert to fraction form
    9,888.80/14,827.68 = 4,049.51/x
  3. Step 3: Cross multiply
    9,888.80x = 14,827.68 × 4,049.51
  4. Step 4: Simplify right side
    9,888.80x = 60,044,764.30
  5. Step 5: Solve for x
    x = 60,044,764.30/9,888.80
  6. Step 6: Final answer
    x = 6,072.00

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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.