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Finding the Fourth Proportional to 64,794.72, 89,382.62 and 44,616.60

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Solution

The fourth proportional to 64,794.72, 89,382.62 and 44,616.60 is: 61,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,794.72 : 89,382.62 = 44,616.60 : x
  2. Step 2: Convert to fraction form
    64,794.72/89,382.62 = 44,616.60/x
  3. Step 3: Cross multiply
    64,794.72x = 89,382.62 × 44,616.60
  4. Step 4: Simplify right side
    64,794.72x = 3,987,948,603.49
  5. Step 5: Solve for x
    x = 3,987,948,603.49/64,794.72
  6. Step 6: Final answer
    x = 61,547.43

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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.