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Finding the Fourth Proportional to 15,903.15, 23,828.17 and 7,005.22

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Solution

The fourth proportional to 15,903.15, 23,828.17 and 7,005.22 is: 10,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.15 : 23,828.17 = 7,005.22 : x
  2. Step 2: Convert to fraction form
    15,903.15/23,828.17 = 7,005.22/x
  3. Step 3: Cross multiply
    15,903.15x = 23,828.17 × 7,005.22
  4. Step 4: Simplify right side
    15,903.15x = 166,921,573.05
  5. Step 5: Solve for x
    x = 166,921,573.05/15,903.15
  6. Step 6: Final answer
    x = 10,496.13

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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.