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Finding the Fourth Proportional to 70,991.65, 106,397.01 and 37,727.65

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Solution

The fourth proportional to 70,991.65, 106,397.01 and 37,727.65 is: 56,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,991.65 : 106,397.01 = 37,727.65 : x
  2. Step 2: Convert to fraction form
    70,991.65/106,397.01 = 37,727.65/x
  3. Step 3: Cross multiply
    70,991.65x = 106,397.01 × 37,727.65
  4. Step 4: Simplify right side
    70,991.65x = 4,014,109,154.33
  5. Step 5: Solve for x
    x = 4,014,109,154.33/70,991.65
  6. Step 6: Final answer
    x = 56,543.40

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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.