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Finding the Fourth Proportional to 68,070.76, 93,937.75 and 37,856.08

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Solution

The fourth proportional to 68,070.76, 93,937.75 and 37,856.08 is: 52,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,070.76 : 93,937.75 = 37,856.08 : x
  2. Step 2: Convert to fraction form
    68,070.76/93,937.75 = 37,856.08/x
  3. Step 3: Cross multiply
    68,070.76x = 93,937.75 × 37,856.08
  4. Step 4: Simplify right side
    68,070.76x = 3,556,115,179.98
  5. Step 5: Solve for x
    x = 3,556,115,179.98/68,070.76
  6. Step 6: Final answer
    x = 52,241.45

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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.