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Finding the Fourth Proportional to 7,275.30, 10,904.13 and 5,184.06

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Solution

The fourth proportional to 7,275.30, 10,904.13 and 5,184.06 is: 7,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.30 : 10,904.13 = 5,184.06 : x
  2. Step 2: Convert to fraction form
    7,275.30/10,904.13 = 5,184.06/x
  3. Step 3: Cross multiply
    7,275.30x = 10,904.13 × 5,184.06
  4. Step 4: Simplify right side
    7,275.30x = 56,527,664.17
  5. Step 5: Solve for x
    x = 56,527,664.17/7,275.30
  6. Step 6: Final answer
    x = 7,769.81

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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.