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Finding the Fourth Proportional to 7,248.56, 9,928.07 and 6,823.01

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Solution

The fourth proportional to 7,248.56, 9,928.07 and 6,823.01 is: 9,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.56 : 9,928.07 = 6,823.01 : x
  2. Step 2: Convert to fraction form
    7,248.56/9,928.07 = 6,823.01/x
  3. Step 3: Cross multiply
    7,248.56x = 9,928.07 × 6,823.01
  4. Step 4: Simplify right side
    7,248.56x = 67,739,261.96
  5. Step 5: Solve for x
    x = 67,739,261.96/7,248.56
  6. Step 6: Final answer
    x = 9,345.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.