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Finding the Fourth Proportional to 7,079.50, 9,763.54 and 4,953.96

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Solution

The fourth proportional to 7,079.50, 9,763.54 and 4,953.96 is: 6,832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.50 : 9,763.54 = 4,953.96 : x
  2. Step 2: Convert to fraction form
    7,079.50/9,763.54 = 4,953.96/x
  3. Step 3: Cross multiply
    7,079.50x = 9,763.54 × 4,953.96
  4. Step 4: Simplify right side
    7,079.50x = 48,368,174.23
  5. Step 5: Solve for x
    x = 48,368,174.23/7,079.50
  6. Step 6: Final answer
    x = 6,832.14

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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.