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Finding the Fourth Proportional to 37,345.22, 51,534 and 22,239

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Solution

The fourth proportional to 37,345.22, 51,534 and 22,239 is: 30,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,345.22 : 51,534 = 22,239 : x
  2. Step 2: Convert to fraction form
    37,345.22/51,534 = 22,239/x
  3. Step 3: Cross multiply
    37,345.22x = 51,534 × 22,239
  4. Step 4: Simplify right side
    37,345.22x = 1,146,064,626
  5. Step 5: Solve for x
    x = 1,146,064,626/37,345.22
  6. Step 6: Final answer
    x = 30,688.39

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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.