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Finding the Fourth Proportional to 61,404.48, 84,737.34 and 35,928.36

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Solution

The fourth proportional to 61,404.48, 84,737.34 and 35,928.36 is: 49,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,404.48 : 84,737.34 = 35,928.36 : x
  2. Step 2: Convert to fraction form
    61,404.48/84,737.34 = 35,928.36/x
  3. Step 3: Cross multiply
    61,404.48x = 84,737.34 × 35,928.36
  4. Step 4: Simplify right side
    61,404.48x = 3,044,473,656.96
  5. Step 5: Solve for x
    x = 3,044,473,656.96/61,404.48
  6. Step 6: Final answer
    x = 49,580.64

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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.