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Finding the Fourth Proportional to 50,975.78, 70,412.73 and 38,802.29

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Solution

The fourth proportional to 50,975.78, 70,412.73 and 38,802.29 is: 53,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,975.78 : 70,412.73 = 38,802.29 : x
  2. Step 2: Convert to fraction form
    50,975.78/70,412.73 = 38,802.29/x
  3. Step 3: Cross multiply
    50,975.78x = 70,412.73 × 38,802.29
  4. Step 4: Simplify right side
    50,975.78x = 2,732,175,169.15
  5. Step 5: Solve for x
    x = 2,732,175,169.15/50,975.78
  6. Step 6: Final answer
    x = 53,597.52

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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.