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Finding the Fourth Proportional to 61,287.76, 84,580.73 and 46,153.72

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Solution

The fourth proportional to 61,287.76, 84,580.73 and 46,153.72 is: 63,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,287.76 : 84,580.73 = 46,153.72 : x
  2. Step 2: Convert to fraction form
    61,287.76/84,580.73 = 46,153.72/x
  3. Step 3: Cross multiply
    61,287.76x = 84,580.73 × 46,153.72
  4. Step 4: Simplify right side
    61,287.76x = 3,903,715,377.85
  5. Step 5: Solve for x
    x = 3,903,715,377.85/61,287.76
  6. Step 6: Final answer
    x = 63,694.86

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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.