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Finding the Fourth Proportional to 60,642.55, 83,684.60 and 33,783.67

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Solution

The fourth proportional to 60,642.55, 83,684.60 and 33,783.67 is: 46,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,642.55 : 83,684.60 = 33,783.67 : x
  2. Step 2: Convert to fraction form
    60,642.55/83,684.60 = 33,783.67/x
  3. Step 3: Cross multiply
    60,642.55x = 83,684.60 × 33,783.67
  4. Step 4: Simplify right side
    60,642.55x = 2,827,172,910.48
  5. Step 5: Solve for x
    x = 2,827,172,910.48/60,642.55
  6. Step 6: Final answer
    x = 46,620.28

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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.