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Finding the Fourth Proportional to 61,503.71, 84,878.79 and 37,635.03

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Solution

The fourth proportional to 61,503.71, 84,878.79 and 37,635.03 is: 51,938.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,503.71 : 84,878.79 = 37,635.03 : x
  2. Step 2: Convert to fraction form
    61,503.71/84,878.79 = 37,635.03/x
  3. Step 3: Cross multiply
    61,503.71x = 84,878.79 × 37,635.03
  4. Step 4: Simplify right side
    61,503.71x = 3,194,415,666.88
  5. Step 5: Solve for x
    x = 3,194,415,666.88/61,503.71
  6. Step 6: Final answer
    x = 51,938.59

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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.