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Finding the Fourth Proportional to 11,073,413.40, 15,464,987.40 and 11,073,413.40

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Solution

The fourth proportional to 11,073,413.40, 15,464,987.40 and 11,073,413.40 is: 15,464,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073,413.40 : 15,464,987.40 = 11,073,413.40 : x
  2. Step 2: Convert to fraction form
    11,073,413.40/15,464,987.40 = 11,073,413.40/x
  3. Step 3: Cross multiply
    11,073,413.40x = 15,464,987.40 × 11,073,413.40
  4. Step 4: Simplify right side
    11,073,413.40x = 171,250,198,705,991.16
  5. Step 5: Solve for x
    x = 171,250,198,705,991.16/11,073,413.40
  6. Step 6: Final answer
    x = 15,464,987.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.