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Finding the Fourth Proportional to 37,807.54, 52,174.74 and 21,040.54

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Solution

The fourth proportional to 37,807.54, 52,174.74 and 21,040.54 is: 29,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,807.54 : 52,174.74 = 21,040.54 : x
  2. Step 2: Convert to fraction form
    37,807.54/52,174.74 = 21,040.54/x
  3. Step 3: Cross multiply
    37,807.54x = 52,174.74 × 21,040.54
  4. Step 4: Simplify right side
    37,807.54x = 1,097,784,703.96
  5. Step 5: Solve for x
    x = 1,097,784,703.96/37,807.54
  6. Step 6: Final answer
    x = 29,036.13

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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.