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Finding the Fourth Proportional to 70,012.22, 96,697.56 and 50,977.12

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Solution

The fourth proportional to 70,012.22, 96,697.56 and 50,977.12 is: 70,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,012.22 : 96,697.56 = 50,977.12 : x
  2. Step 2: Convert to fraction form
    70,012.22/96,697.56 = 50,977.12/x
  3. Step 3: Cross multiply
    70,012.22x = 96,697.56 × 50,977.12
  4. Step 4: Simplify right side
    70,012.22x = 4,929,363,119.83
  5. Step 5: Solve for x
    x = 4,929,363,119.83/70,012.22
  6. Step 6: Final answer
    x = 70,407.18

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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.