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Finding the Fourth Proportional to 50,375,424.80, 70,659,964 and 50,375,424.80

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Solution

The fourth proportional to 50,375,424.80, 70,659,964 and 50,375,424.80 is: 70,659,964

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,375,424.80 : 70,659,964 = 50,375,424.80 : x
  2. Step 2: Convert to fraction form
    50,375,424.80/70,659,964 = 50,375,424.80/x
  3. Step 3: Cross multiply
    50,375,424.80x = 70,659,964 × 50,375,424.80
  4. Step 4: Simplify right side
    50,375,424.80x = 3,559,525,702,852,707
  5. Step 5: Solve for x
    x = 3,559,525,702,852,707/50,375,424.80
  6. Step 6: Final answer
    x = 70,659,964

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.