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Finding the Fourth Proportional to 7,244.55, 9,999.86 and 4,260.24

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Solution

The fourth proportional to 7,244.55, 9,999.86 and 4,260.24 is: 5,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.55 : 9,999.86 = 4,260.24 : x
  2. Step 2: Convert to fraction form
    7,244.55/9,999.86 = 4,260.24/x
  3. Step 3: Cross multiply
    7,244.55x = 9,999.86 × 4,260.24
  4. Step 4: Simplify right side
    7,244.55x = 42,601,782.27
  5. Step 5: Solve for x
    x = 42,601,782.27/7,244.55
  6. Step 6: Final answer
    x = 5,880.53

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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.