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Finding the Fourth Proportional to 12,852.51, 19,265.61 and 7,294.11

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Solution

The fourth proportional to 12,852.51, 19,265.61 and 7,294.11 is: 10,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.51 : 19,265.61 = 7,294.11 : x
  2. Step 2: Convert to fraction form
    12,852.51/19,265.61 = 7,294.11/x
  3. Step 3: Cross multiply
    12,852.51x = 19,265.61 × 7,294.11
  4. Step 4: Simplify right side
    12,852.51x = 140,525,478.56
  5. Step 5: Solve for x
    x = 140,525,478.56/12,852.51
  6. Step 6: Final answer
    x = 10,933.70

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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.