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Finding the Fourth Proportional to 61,476.80, 92,215.20 and 60,893.60

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Solution

The fourth proportional to 61,476.80, 92,215.20 and 60,893.60 is: 91,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,476.80 : 92,215.20 = 60,893.60 : x
  2. Step 2: Convert to fraction form
    61,476.80/92,215.20 = 60,893.60/x
  3. Step 3: Cross multiply
    61,476.80x = 92,215.20 × 60,893.60
  4. Step 4: Simplify right side
    61,476.80x = 5,615,315,502.72
  5. Step 5: Solve for x
    x = 5,615,315,502.72/61,476.80
  6. Step 6: Final answer
    x = 91,340.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.