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Finding the Fourth Proportional to 5,728,957.36, 7,905,803.35 and 3,150,637.86

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Solution

The fourth proportional to 5,728,957.36, 7,905,803.35 and 3,150,637.86 is: 4,347,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,957.36 : 7,905,803.35 = 3,150,637.86 : x
  2. Step 2: Convert to fraction form
    5,728,957.36/7,905,803.35 = 3,150,637.86/x
  3. Step 3: Cross multiply
    5,728,957.36x = 7,905,803.35 × 3,150,637.86
  4. Step 4: Simplify right side
    5,728,957.36x = 24,908,323,308,695.81
  5. Step 5: Solve for x
    x = 24,908,323,308,695.81/5,728,957.36
  6. Step 6: Final answer
    x = 4,347,793.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.