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Finding the Fourth Proportional to 35,619.59, 53,429.39 and 9,326.59

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Solution

The fourth proportional to 35,619.59, 53,429.39 and 9,326.59 is: 13,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.59 : 53,429.39 = 9,326.59 : x
  2. Step 2: Convert to fraction form
    35,619.59/53,429.39 = 9,326.59/x
  3. Step 3: Cross multiply
    35,619.59x = 53,429.39 × 9,326.59
  4. Step 4: Simplify right side
    35,619.59x = 498,314,014.48
  5. Step 5: Solve for x
    x = 498,314,014.48/35,619.59
  6. Step 6: Final answer
    x = 13,989.89

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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.