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Finding the Fourth Proportional to 7,220.04, 9,963.53 and 4,033.38

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Solution

The fourth proportional to 7,220.04, 9,963.53 and 4,033.38 is: 5,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.04 : 9,963.53 = 4,033.38 : x
  2. Step 2: Convert to fraction form
    7,220.04/9,963.53 = 4,033.38/x
  3. Step 3: Cross multiply
    7,220.04x = 9,963.53 × 4,033.38
  4. Step 4: Simplify right side
    7,220.04x = 40,186,734.95
  5. Step 5: Solve for x
    x = 40,186,734.95/7,220.04
  6. Step 6: Final answer
    x = 5,566.00

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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.