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Finding the Fourth Proportional to 67,285.12, 92,855.68 and 37,071.68

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Solution

The fourth proportional to 67,285.12, 92,855.68 and 37,071.68 is: 51,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,285.12 : 92,855.68 = 37,071.68 : x
  2. Step 2: Convert to fraction form
    67,285.12/92,855.68 = 37,071.68/x
  3. Step 3: Cross multiply
    67,285.12x = 92,855.68 × 37,071.68
  4. Step 4: Simplify right side
    67,285.12x = 3,442,316,055.14
  5. Step 5: Solve for x
    x = 3,442,316,055.14/67,285.12
  6. Step 6: Final answer
    x = 51,160.14

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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.