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Finding the Fourth Proportional to 38,606,683.54, 57,909,978.84 and 9,852,822.20

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Solution

The fourth proportional to 38,606,683.54, 57,909,978.84 and 9,852,822.20 is: 14,779,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,606,683.54 : 57,909,978.84 = 9,852,822.20 : x
  2. Step 2: Convert to fraction form
    38,606,683.54/57,909,978.84 = 9,852,822.20/x
  3. Step 3: Cross multiply
    38,606,683.54x = 57,909,978.84 × 9,852,822.20
  4. Step 4: Simplify right side
    38,606,683.54x = 570,576,724,972,261.62
  5. Step 5: Solve for x
    x = 570,576,724,972,261.62/38,606,683.54
  6. Step 6: Final answer
    x = 14,779,221.44

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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.