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Finding the Fourth Proportional to 70,673.40, 106,015.26 and 26,300.13

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Solution

The fourth proportional to 70,673.40, 106,015.26 and 26,300.13 is: 39,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,673.40 : 106,015.26 = 26,300.13 : x
  2. Step 2: Convert to fraction form
    70,673.40/106,015.26 = 26,300.13/x
  3. Step 3: Cross multiply
    70,673.40x = 106,015.26 × 26,300.13
  4. Step 4: Simplify right side
    70,673.40x = 2,788,215,119.98
  5. Step 5: Solve for x
    x = 2,788,215,119.98/70,673.40
  6. Step 6: Final answer
    x = 39,452.12

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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.