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Finding the Fourth Proportional to 15,406.16, 23,105.04 and 4,312.16

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Solution

The fourth proportional to 15,406.16, 23,105.04 and 4,312.16 is: 6,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.16 : 23,105.04 = 4,312.16 : x
  2. Step 2: Convert to fraction form
    15,406.16/23,105.04 = 4,312.16/x
  3. Step 3: Cross multiply
    15,406.16x = 23,105.04 × 4,312.16
  4. Step 4: Simplify right side
    15,406.16x = 99,632,629.29
  5. Step 5: Solve for x
    x = 99,632,629.29/15,406.16
  6. Step 6: Final answer
    x = 6,467.06

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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.