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Finding the Fourth Proportional to 68,034.82, 93,903.28 and 37,830.74

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Solution

The fourth proportional to 68,034.82, 93,903.28 and 37,830.74 is: 52,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,034.82 : 93,903.28 = 37,830.74 : x
  2. Step 2: Convert to fraction form
    68,034.82/93,903.28 = 37,830.74/x
  3. Step 3: Cross multiply
    68,034.82x = 93,903.28 × 37,830.74
  4. Step 4: Simplify right side
    68,034.82x = 3,552,430,570.83
  5. Step 5: Solve for x
    x = 3,552,430,570.83/68,034.82
  6. Step 6: Final answer
    x = 52,214.89

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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.