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Finding the Fourth Proportional to 64,158.75, 88,540.97 and 35,864.51

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Solution

The fourth proportional to 64,158.75, 88,540.97 and 35,864.51 is: 49,494.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158.75 : 88,540.97 = 35,864.51 : x
  2. Step 2: Convert to fraction form
    64,158.75/88,540.97 = 35,864.51/x
  3. Step 3: Cross multiply
    64,158.75x = 88,540.97 × 35,864.51
  4. Step 4: Simplify right side
    64,158.75x = 3,175,477,881.95
  5. Step 5: Solve for x
    x = 3,175,477,881.95/64,158.75
  6. Step 6: Final answer
    x = 49,494.07

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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.