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Finding the Fourth Proportional to 7,935.04, 11,903.20 and 2,740.96

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Solution

The fourth proportional to 7,935.04, 11,903.20 and 2,740.96 is: 4,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.04 : 11,903.20 = 2,740.96 : x
  2. Step 2: Convert to fraction form
    7,935.04/11,903.20 = 2,740.96/x
  3. Step 3: Cross multiply
    7,935.04x = 11,903.20 × 2,740.96
  4. Step 4: Simplify right side
    7,935.04x = 32,626,195.07
  5. Step 5: Solve for x
    x = 32,626,195.07/7,935.04
  6. Step 6: Final answer
    x = 4,111.66

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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.