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Finding the Fourth Proportional to 6,240.48, 9,362.88 and 5,275.68

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Solution

The fourth proportional to 6,240.48, 9,362.88 and 5,275.68 is: 7,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.48 : 9,362.88 = 5,275.68 : x
  2. Step 2: Convert to fraction form
    6,240.48/9,362.88 = 5,275.68/x
  3. Step 3: Cross multiply
    6,240.48x = 9,362.88 × 5,275.68
  4. Step 4: Simplify right side
    6,240.48x = 49,395,558.76
  5. Step 5: Solve for x
    x = 49,395,558.76/6,240.48
  6. Step 6: Final answer
    x = 7,915.35

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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.