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Finding the Fourth Proportional to 9,275.84, 13,904.44 and 3,728.16

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Solution

The fourth proportional to 9,275.84, 13,904.44 and 3,728.16 is: 5,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.84 : 13,904.44 = 3,728.16 : x
  2. Step 2: Convert to fraction form
    9,275.84/13,904.44 = 3,728.16/x
  3. Step 3: Cross multiply
    9,275.84x = 13,904.44 × 3,728.16
  4. Step 4: Simplify right side
    9,275.84x = 51,837,977.03
  5. Step 5: Solve for x
    x = 51,837,977.03/9,275.84
  6. Step 6: Final answer
    x = 5,588.49

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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.