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Finding the Fourth Proportional to 35,614.39, 53,424.62 and 9,319.09

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Solution

The fourth proportional to 35,614.39, 53,424.62 and 9,319.09 is: 13,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,614.39 : 53,424.62 = 9,319.09 : x
  2. Step 2: Convert to fraction form
    35,614.39/53,424.62 = 9,319.09/x
  3. Step 3: Cross multiply
    35,614.39x = 53,424.62 × 9,319.09
  4. Step 4: Simplify right side
    35,614.39x = 497,868,842.00
  5. Step 5: Solve for x
    x = 497,868,842.00/35,614.39
  6. Step 6: Final answer
    x = 13,979.43

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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.