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Finding the Fourth Proportional to 61,646.52, 84,994.75 and 50,304.50

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Solution

The fourth proportional to 61,646.52, 84,994.75 and 50,304.50 is: 69,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,646.52 : 84,994.75 = 50,304.50 : x
  2. Step 2: Convert to fraction form
    61,646.52/84,994.75 = 50,304.50/x
  3. Step 3: Cross multiply
    61,646.52x = 84,994.75 × 50,304.50
  4. Step 4: Simplify right side
    61,646.52x = 4,275,618,401.38
  5. Step 5: Solve for x
    x = 4,275,618,401.38/61,646.52
  6. Step 6: Final answer
    x = 69,357.01

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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.