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Finding the Fourth Proportional to 60,712.81, 83,783.30 and 33,855.64

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Solution

The fourth proportional to 60,712.81, 83,783.30 and 33,855.64 is: 46,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,712.81 : 83,783.30 = 33,855.64 : x
  2. Step 2: Convert to fraction form
    60,712.81/83,783.30 = 33,855.64/x
  3. Step 3: Cross multiply
    60,712.81x = 83,783.30 × 33,855.64
  4. Step 4: Simplify right side
    60,712.81x = 2,836,536,864.08
  5. Step 5: Solve for x
    x = 2,836,536,864.08/60,712.81
  6. Step 6: Final answer
    x = 46,720.57

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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.