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Finding the Fourth Proportional to 6,709,765.60, 10,064,648.40 and 4,158,848.80

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Solution

The fourth proportional to 6,709,765.60, 10,064,648.40 and 4,158,848.80 is: 6,238,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709,765.60 : 10,064,648.40 = 4,158,848.80 : x
  2. Step 2: Convert to fraction form
    6,709,765.60/10,064,648.40 = 4,158,848.80/x
  3. Step 3: Cross multiply
    6,709,765.60x = 10,064,648.40 × 4,158,848.80
  4. Step 4: Simplify right side
    6,709,765.60x = 41,857,350,920,761.92
  5. Step 5: Solve for x
    x = 41,857,350,920,761.92/6,709,765.60
  6. Step 6: Final answer
    x = 6,238,273.20

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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.