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Finding the Fourth Proportional to 60,483.22, 90,726.88 and 21,040.68

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Solution

The fourth proportional to 60,483.22, 90,726.88 and 21,040.68 is: 31,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,483.22 : 90,726.88 = 21,040.68 : x
  2. Step 2: Convert to fraction form
    60,483.22/90,726.88 = 21,040.68/x
  3. Step 3: Cross multiply
    60,483.22x = 90,726.88 × 21,040.68
  4. Step 4: Simplify right side
    60,483.22x = 1,908,955,249.48
  5. Step 5: Solve for x
    x = 1,908,955,249.48/60,483.22
  6. Step 6: Final answer
    x = 31,561.73

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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.