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Finding the Fourth Proportional to 61,354.50, 84,669.93 and 37,155.03

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Solution

The fourth proportional to 61,354.50, 84,669.93 and 37,155.03 is: 51,274.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,354.50 : 84,669.93 = 37,155.03 : x
  2. Step 2: Convert to fraction form
    61,354.50/84,669.93 = 37,155.03/x
  3. Step 3: Cross multiply
    61,354.50x = 84,669.93 × 37,155.03
  4. Step 4: Simplify right side
    61,354.50x = 3,145,913,789.25
  5. Step 5: Solve for x
    x = 3,145,913,789.25/61,354.50
  6. Step 6: Final answer
    x = 51,274.38

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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.