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Finding the Fourth Proportional to 61,016.88, 84,210.36 and 37,157.52

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Solution

The fourth proportional to 61,016.88, 84,210.36 and 37,157.52 is: 51,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,016.88 : 84,210.36 = 37,157.52 : x
  2. Step 2: Convert to fraction form
    61,016.88/84,210.36 = 37,157.52/x
  3. Step 3: Cross multiply
    61,016.88x = 84,210.36 × 37,157.52
  4. Step 4: Simplify right side
    61,016.88x = 3,129,048,135.91
  5. Step 5: Solve for x
    x = 3,129,048,135.91/61,016.88
  6. Step 6: Final answer
    x = 51,281.68

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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.