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Finding the Fourth Proportional to 68,011.45, 93,855.71 and 37,795.82

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Solution

The fourth proportional to 68,011.45, 93,855.71 and 37,795.82 is: 52,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,011.45 : 93,855.71 = 37,795.82 : x
  2. Step 2: Convert to fraction form
    68,011.45/93,855.71 = 37,795.82/x
  3. Step 3: Cross multiply
    68,011.45x = 93,855.71 × 37,795.82
  4. Step 4: Simplify right side
    68,011.45x = 3,547,353,146.34
  5. Step 5: Solve for x
    x = 3,547,353,146.34/68,011.45
  6. Step 6: Final answer
    x = 52,158.18

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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.