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Finding the Fourth Proportional to 37,390.25, 51,602.19 and 20,623.25

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Solution

The fourth proportional to 37,390.25, 51,602.19 and 20,623.25 is: 28,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,390.25 : 51,602.19 = 20,623.25 : x
  2. Step 2: Convert to fraction form
    37,390.25/51,602.19 = 20,623.25/x
  3. Step 3: Cross multiply
    37,390.25x = 51,602.19 × 20,623.25
  4. Step 4: Simplify right side
    37,390.25x = 1,064,204,864.92
  5. Step 5: Solve for x
    x = 1,064,204,864.92/37,390.25
  6. Step 6: Final answer
    x = 28,462.10

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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.