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Finding the Fourth Proportional to 60,721.52, 91,019.90 and 23,271.44

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Solution

The fourth proportional to 60,721.52, 91,019.90 and 23,271.44 is: 34,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,721.52 : 91,019.90 = 23,271.44 : x
  2. Step 2: Convert to fraction form
    60,721.52/91,019.90 = 23,271.44/x
  3. Step 3: Cross multiply
    60,721.52x = 91,019.90 × 23,271.44
  4. Step 4: Simplify right side
    60,721.52x = 2,118,163,744.74
  5. Step 5: Solve for x
    x = 2,118,163,744.74/60,721.52
  6. Step 6: Final answer
    x = 34,883.25

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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.