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Finding the Fourth Proportional to 64,168.79, 88,550.38 and 35,486.59

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Solution

The fourth proportional to 64,168.79, 88,550.38 and 35,486.59 is: 48,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,168.79 : 88,550.38 = 35,486.59 : x
  2. Step 2: Convert to fraction form
    64,168.79/88,550.38 = 35,486.59/x
  3. Step 3: Cross multiply
    64,168.79x = 88,550.38 × 35,486.59
  4. Step 4: Simplify right side
    64,168.79x = 3,142,351,029.40
  5. Step 5: Solve for x
    x = 3,142,351,029.40/64,168.79
  6. Step 6: Final answer
    x = 48,970.08

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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.