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Finding the Fourth Proportional to 7,904.70, 10,908.19 and 4,548.03

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Solution

The fourth proportional to 7,904.70, 10,908.19 and 4,548.03 is: 6,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.70 : 10,908.19 = 4,548.03 : x
  2. Step 2: Convert to fraction form
    7,904.70/10,908.19 = 4,548.03/x
  3. Step 3: Cross multiply
    7,904.70x = 10,908.19 × 4,548.03
  4. Step 4: Simplify right side
    7,904.70x = 49,610,814.29
  5. Step 5: Solve for x
    x = 49,610,814.29/7,904.70
  6. Step 6: Final answer
    x = 6,276.12

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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.