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Finding the Fourth Proportional to 37,357.84, 51,553.84 and 21,225.18

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Solution

The fourth proportional to 37,357.84, 51,553.84 and 21,225.18 is: 29,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,357.84 : 51,553.84 = 21,225.18 : x
  2. Step 2: Convert to fraction form
    37,357.84/51,553.84 = 21,225.18/x
  3. Step 3: Cross multiply
    37,357.84x = 51,553.84 × 21,225.18
  4. Step 4: Simplify right side
    37,357.84x = 1,094,239,533.69
  5. Step 5: Solve for x
    x = 1,094,239,533.69/37,357.84
  6. Step 6: Final answer
    x = 29,290.76

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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.