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Finding the Fourth Proportional to 48,724, 67,239.53 and 26,368

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Solution

The fourth proportional to 48,724, 67,239.53 and 26,368 is: 36,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,724 : 67,239.53 = 26,368 : x
  2. Step 2: Convert to fraction form
    48,724/67,239.53 = 26,368/x
  3. Step 3: Cross multiply
    48,724x = 67,239.53 × 26,368
  4. Step 4: Simplify right side
    48,724x = 1,772,971,927.04
  5. Step 5: Solve for x
    x = 1,772,971,927.04/48,724
  6. Step 6: Final answer
    x = 36,388.06

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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.