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Finding the Fourth Proportional to 64,406.94, 88,886.73 and 35,729.43

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Solution

The fourth proportional to 64,406.94, 88,886.73 and 35,729.43 is: 49,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,406.94 : 88,886.73 = 35,729.43 : x
  2. Step 2: Convert to fraction form
    64,406.94/88,886.73 = 35,729.43/x
  3. Step 3: Cross multiply
    64,406.94x = 88,886.73 × 35,729.43
  4. Step 4: Simplify right side
    64,406.94x = 3,175,872,197.46
  5. Step 5: Solve for x
    x = 3,175,872,197.46/64,406.94
  6. Step 6: Final answer
    x = 49,309.47

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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.