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Finding the Fourth Proportional to 12,850,368.17, 17,733,342.73 and 7,343,679.86

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Solution

The fourth proportional to 12,850,368.17, 17,733,342.73 and 7,343,679.86 is: 10,134,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850,368.17 : 17,733,342.73 = 7,343,679.86 : x
  2. Step 2: Convert to fraction form
    12,850,368.17/17,733,342.73 = 7,343,679.86/x
  3. Step 3: Cross multiply
    12,850,368.17x = 17,733,342.73 × 7,343,679.86
  4. Step 4: Simplify right side
    12,850,368.17x = 130,227,991,856,778.42
  5. Step 5: Solve for x
    x = 130,227,991,856,778.42/12,850,368.17
  6. Step 6: Final answer
    x = 10,134,183.72

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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.