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Finding the Fourth Proportional to 50,885.90, 70,246.65 and 33,918.42

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Solution

The fourth proportional to 50,885.90, 70,246.65 and 33,918.42 is: 46,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,885.90 : 70,246.65 = 33,918.42 : x
  2. Step 2: Convert to fraction form
    50,885.90/70,246.65 = 33,918.42/x
  3. Step 3: Cross multiply
    50,885.90x = 70,246.65 × 33,918.42
  4. Step 4: Simplify right side
    50,885.90x = 2,382,655,378.29
  5. Step 5: Solve for x
    x = 2,382,655,378.29/50,885.90
  6. Step 6: Final answer
    x = 46,823.49

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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.