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Finding the Fourth Proportional to 60,347.34, 90,485.70 and 18,214.79

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Solution

The fourth proportional to 60,347.34, 90,485.70 and 18,214.79 is: 27,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,347.34 : 90,485.70 = 18,214.79 : x
  2. Step 2: Convert to fraction form
    60,347.34/90,485.70 = 18,214.79/x
  3. Step 3: Cross multiply
    60,347.34x = 90,485.70 × 18,214.79
  4. Step 4: Simplify right side
    60,347.34x = 1,648,177,571.07
  5. Step 5: Solve for x
    x = 1,648,177,571.07/60,347.34
  6. Step 6: Final answer
    x = 27,311.52

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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.