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Finding the Fourth Proportional to 64,862.82, 89,514.88 and 36,570.32

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Solution

The fourth proportional to 64,862.82, 89,514.88 and 36,570.32 is: 50,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,862.82 : 89,514.88 = 36,570.32 : x
  2. Step 2: Convert to fraction form
    64,862.82/89,514.88 = 36,570.32/x
  3. Step 3: Cross multiply
    64,862.82x = 89,514.88 × 36,570.32
  4. Step 4: Simplify right side
    64,862.82x = 3,273,587,806.36
  5. Step 5: Solve for x
    x = 3,273,587,806.36/64,862.82
  6. Step 6: Final answer
    x = 50,469.40

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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.