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Finding the Fourth Proportional to 12,675.70, 17,492.16 and 7,010.30

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Solution

The fourth proportional to 12,675.70, 17,492.16 and 7,010.30 is: 9,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.70 : 17,492.16 = 7,010.30 : x
  2. Step 2: Convert to fraction form
    12,675.70/17,492.16 = 7,010.30/x
  3. Step 3: Cross multiply
    12,675.70x = 17,492.16 × 7,010.30
  4. Step 4: Simplify right side
    12,675.70x = 122,625,289.25
  5. Step 5: Solve for x
    x = 122,625,289.25/12,675.70
  6. Step 6: Final answer
    x = 9,674.04

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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.