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Finding the Fourth Proportional to 7,216.52, 9,955.98 and 4,860.23

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Solution

The fourth proportional to 7,216.52, 9,955.98 and 4,860.23 is: 6,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.52 : 9,955.98 = 4,860.23 : x
  2. Step 2: Convert to fraction form
    7,216.52/9,955.98 = 4,860.23/x
  3. Step 3: Cross multiply
    7,216.52x = 9,955.98 × 4,860.23
  4. Step 4: Simplify right side
    7,216.52x = 48,388,302.90
  5. Step 5: Solve for x
    x = 48,388,302.90/7,216.52
  6. Step 6: Final answer
    x = 6,705.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.