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Finding the Fourth Proportional to 12,852.12, 17,734.48 and 7,263.12

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Solution

The fourth proportional to 12,852.12, 17,734.48 and 7,263.12 is: 10,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.12 : 17,734.48 = 7,263.12 : x
  2. Step 2: Convert to fraction form
    12,852.12/17,734.48 = 7,263.12/x
  3. Step 3: Cross multiply
    12,852.12x = 17,734.48 × 7,263.12
  4. Step 4: Simplify right side
    12,852.12x = 128,807,656.38
  5. Step 5: Solve for x
    x = 128,807,656.38/12,852.12
  6. Step 6: Final answer
    x = 10,022.29

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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.