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Finding the Fourth Proportional to 7,192.65, 9,925.65 and 4,361.61

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Solution

The fourth proportional to 7,192.65, 9,925.65 and 4,361.61 is: 6,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.65 : 9,925.65 = 4,361.61 : x
  2. Step 2: Convert to fraction form
    7,192.65/9,925.65 = 4,361.61/x
  3. Step 3: Cross multiply
    7,192.65x = 9,925.65 × 4,361.61
  4. Step 4: Simplify right side
    7,192.65x = 43,291,814.30
  5. Step 5: Solve for x
    x = 43,291,814.30/7,192.65
  6. Step 6: Final answer
    x = 6,018.90

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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.