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Finding the Fourth Proportional to 48,672.99, 67,168.40 and 26,316.99

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Solution

The fourth proportional to 48,672.99, 67,168.40 and 26,316.99 is: 36,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,672.99 : 67,168.40 = 26,316.99 : x
  2. Step 2: Convert to fraction form
    48,672.99/67,168.40 = 26,316.99/x
  3. Step 3: Cross multiply
    48,672.99x = 67,168.40 × 26,316.99
  4. Step 4: Simplify right side
    48,672.99x = 1,767,669,979.53
  5. Step 5: Solve for x
    x = 1,767,669,979.53/48,672.99
  6. Step 6: Final answer
    x = 36,317.27

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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.