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Finding the Fourth Proportional to 23,487.65, 35,235.13 and 7,904.06

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Solution

The fourth proportional to 23,487.65, 35,235.13 and 7,904.06 is: 11,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,487.65 : 35,235.13 = 7,904.06 : x
  2. Step 2: Convert to fraction form
    23,487.65/35,235.13 = 7,904.06/x
  3. Step 3: Cross multiply
    23,487.65x = 35,235.13 × 7,904.06
  4. Step 4: Simplify right side
    23,487.65x = 278,500,649.96
  5. Step 5: Solve for x
    x = 278,500,649.96/23,487.65
  6. Step 6: Final answer
    x = 11,857.32

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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.