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Finding the Fourth Proportional to 38,606,683.07, 57,909,978.14 and 9,852,821.73

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Solution

The fourth proportional to 38,606,683.07, 57,909,978.14 and 9,852,821.73 is: 14,779,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,606,683.07 : 57,909,978.14 = 9,852,821.73 : x
  2. Step 2: Convert to fraction form
    38,606,683.07/57,909,978.14 = 9,852,821.73/x
  3. Step 3: Cross multiply
    38,606,683.07x = 57,909,978.14 × 9,852,821.73
  4. Step 4: Simplify right side
    38,606,683.07x = 570,576,690,952,352.88
  5. Step 5: Solve for x
    x = 570,576,690,952,352.88/38,606,683.07
  6. Step 6: Final answer
    x = 14,779,220.73

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1.5x scale

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.