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Finding the Fourth Proportional to 64,326.33, 88,813.71 and 40,164.12

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Solution

The fourth proportional to 64,326.33, 88,813.71 and 40,164.12 is: 55,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,326.33 : 88,813.71 = 40,164.12 : x
  2. Step 2: Convert to fraction form
    64,326.33/88,813.71 = 40,164.12/x
  3. Step 3: Cross multiply
    64,326.33x = 88,813.71 × 40,164.12
  4. Step 4: Simplify right side
    64,326.33x = 3,567,124,506.09
  5. Step 5: Solve for x
    x = 3,567,124,506.09/64,326.33
  6. Step 6: Final answer
    x = 55,453.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.