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Finding the Fourth Proportional to 9,888.96, 14,837.34 and 4,338.44

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Solution

The fourth proportional to 9,888.96, 14,837.34 and 4,338.44 is: 6,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.96 : 14,837.34 = 4,338.44 : x
  2. Step 2: Convert to fraction form
    9,888.96/14,837.34 = 4,338.44/x
  3. Step 3: Cross multiply
    9,888.96x = 14,837.34 × 4,338.44
  4. Step 4: Simplify right side
    9,888.96x = 64,370,909.35
  5. Step 5: Solve for x
    x = 64,370,909.35/9,888.96
  6. Step 6: Final answer
    x = 6,509.37

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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.