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Finding the Fourth Proportional to 61,222.74, 84,488.30 and 37,020.30

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Solution

The fourth proportional to 61,222.74, 84,488.30 and 37,020.30 is: 51,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,222.74 : 84,488.30 = 37,020.30 : x
  2. Step 2: Convert to fraction form
    61,222.74/84,488.30 = 37,020.30/x
  3. Step 3: Cross multiply
    61,222.74x = 84,488.30 × 37,020.30
  4. Step 4: Simplify right side
    61,222.74x = 3,127,782,212.49
  5. Step 5: Solve for x
    x = 3,127,782,212.49/61,222.74
  6. Step 6: Final answer
    x = 51,088.57

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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.