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Finding the Fourth Proportional to 7,903.04, 11,826.64 and 5,818.16

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Solution

The fourth proportional to 7,903.04, 11,826.64 and 5,818.16 is: 8,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.04 : 11,826.64 = 5,818.16 : x
  2. Step 2: Convert to fraction form
    7,903.04/11,826.64 = 5,818.16/x
  3. Step 3: Cross multiply
    7,903.04x = 11,826.64 × 5,818.16
  4. Step 4: Simplify right side
    7,903.04x = 68,809,283.78
  5. Step 5: Solve for x
    x = 68,809,283.78/7,903.04
  6. Step 6: Final answer
    x = 8,706.69

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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.