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Finding the Fourth Proportional to 29,239.40, 43,859.52 and 9,518.08

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Solution

The fourth proportional to 29,239.40, 43,859.52 and 9,518.08 is: 14,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,239.40 : 43,859.52 = 9,518.08 : x
  2. Step 2: Convert to fraction form
    29,239.40/43,859.52 = 9,518.08/x
  3. Step 3: Cross multiply
    29,239.40x = 43,859.52 × 9,518.08
  4. Step 4: Simplify right side
    29,239.40x = 417,458,420.12
  5. Step 5: Solve for x
    x = 417,458,420.12/29,239.40
  6. Step 6: Final answer
    x = 14,277.26

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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.