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Finding the Fourth Proportional to 17,939,701.80, 26,909,552.70 and 17,833,413.60

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Solution

The fourth proportional to 17,939,701.80, 26,909,552.70 and 17,833,413.60 is: 26,750,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939,701.80 : 26,909,552.70 = 17,833,413.60 : x
  2. Step 2: Convert to fraction form
    17,939,701.80/26,909,552.70 = 17,833,413.60/x
  3. Step 3: Cross multiply
    17,939,701.80x = 26,909,552.70 × 17,833,413.60
  4. Step 4: Simplify right side
    17,939,701.80x = 479,889,183,090,096.75
  5. Step 5: Solve for x
    x = 479,889,183,090,096.75/17,939,701.80
  6. Step 6: Final answer
    x = 26,750,120.40

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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.