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Finding the Fourth Proportional to 60,133.81, 90,198.86 and 28,566.60

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Solution

The fourth proportional to 60,133.81, 90,198.86 and 28,566.60 is: 42,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,133.81 : 90,198.86 = 28,566.60 : x
  2. Step 2: Convert to fraction form
    60,133.81/90,198.86 = 28,566.60/x
  3. Step 3: Cross multiply
    60,133.81x = 90,198.86 × 28,566.60
  4. Step 4: Simplify right side
    60,133.81x = 2,576,674,160.25
  5. Step 5: Solve for x
    x = 2,576,674,160.25/60,133.81
  6. Step 6: Final answer
    x = 42,849.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.