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Finding the Fourth Proportional to 63,019.94, 86,969.37 and 34,727.45

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Solution

The fourth proportional to 63,019.94, 86,969.37 and 34,727.45 is: 47,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,019.94 : 86,969.37 = 34,727.45 : x
  2. Step 2: Convert to fraction form
    63,019.94/86,969.37 = 34,727.45/x
  3. Step 3: Cross multiply
    63,019.94x = 86,969.37 × 34,727.45
  4. Step 4: Simplify right side
    63,019.94x = 3,020,224,230.78
  5. Step 5: Solve for x
    x = 3,020,224,230.78/63,019.94
  6. Step 6: Final answer
    x = 47,924.90

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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.