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Finding the Fourth Proportional to 70,373.94, 105,571.89 and 23,637.78

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Solution

The fourth proportional to 70,373.94, 105,571.89 and 23,637.78 is: 35,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,373.94 : 105,571.89 = 23,637.78 : x
  2. Step 2: Convert to fraction form
    70,373.94/105,571.89 = 23,637.78/x
  3. Step 3: Cross multiply
    70,373.94x = 105,571.89 × 23,637.78
  4. Step 4: Simplify right side
    70,373.94x = 2,495,485,110.00
  5. Step 5: Solve for x
    x = 2,495,485,110.00/70,373.94
  6. Step 6: Final answer
    x = 35,460.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.