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Finding the Fourth Proportional to 65,349.83, 90,182.75 and 37,055.45

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Solution

The fourth proportional to 65,349.83, 90,182.75 and 37,055.45 is: 51,136.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,349.83 : 90,182.75 = 37,055.45 : x
  2. Step 2: Convert to fraction form
    65,349.83/90,182.75 = 37,055.45/x
  3. Step 3: Cross multiply
    65,349.83x = 90,182.75 × 37,055.45
  4. Step 4: Simplify right side
    65,349.83x = 3,341,761,747.30
  5. Step 5: Solve for x
    x = 3,341,761,747.30/65,349.83
  6. Step 6: Final answer
    x = 51,136.51

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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.