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Finding the Fourth Proportional to 37,776.80, 56,948.08 and 35,239.52

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Solution

The fourth proportional to 37,776.80, 56,948.08 and 35,239.52 is: 53,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,776.80 : 56,948.08 = 35,239.52 : x
  2. Step 2: Convert to fraction form
    37,776.80/56,948.08 = 35,239.52/x
  3. Step 3: Cross multiply
    37,776.80x = 56,948.08 × 35,239.52
  4. Step 4: Simplify right side
    37,776.80x = 2,006,823,004.12
  5. Step 5: Solve for x
    x = 2,006,823,004.12/37,776.80
  6. Step 6: Final answer
    x = 53,123.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.