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Finding the Fourth Proportional to 60,573.41, 90,860.61 and 21,130.46

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Solution

The fourth proportional to 60,573.41, 90,860.61 and 21,130.46 is: 31,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,573.41 : 90,860.61 = 21,130.46 : x
  2. Step 2: Convert to fraction form
    60,573.41/90,860.61 = 21,130.46/x
  3. Step 3: Cross multiply
    60,573.41x = 90,860.61 × 21,130.46
  4. Step 4: Simplify right side
    60,573.41x = 1,919,926,485.18
  5. Step 5: Solve for x
    x = 1,919,926,485.18/60,573.41
  6. Step 6: Final answer
    x = 31,695.86

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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.