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Finding the Fourth Proportional to 12,675.81, 17,492.10 and 7,010.19

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Solution

The fourth proportional to 12,675.81, 17,492.10 and 7,010.19 is: 9,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.81 : 17,492.10 = 7,010.19 : x
  2. Step 2: Convert to fraction form
    12,675.81/17,492.10 = 7,010.19/x
  3. Step 3: Cross multiply
    12,675.81x = 17,492.10 × 7,010.19
  4. Step 4: Simplify right side
    12,675.81x = 122,622,944.50
  5. Step 5: Solve for x
    x = 122,622,944.50/12,675.81
  6. Step 6: Final answer
    x = 9,673.78

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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.