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Finding the Fourth Proportional to 9,692,413.50, 13,375,621.95 and 5,341,656.45

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Solution

The fourth proportional to 9,692,413.50, 13,375,621.95 and 5,341,656.45 is: 7,371,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,692,413.50 : 13,375,621.95 = 5,341,656.45 : x
  2. Step 2: Convert to fraction form
    9,692,413.50/13,375,621.95 = 5,341,656.45/x
  3. Step 3: Cross multiply
    9,692,413.50x = 13,375,621.95 × 5,341,656.45
  4. Step 4: Simplify right side
    9,692,413.50x = 71,447,977,261,979.08
  5. Step 5: Solve for x
    x = 71,447,977,261,979.08/9,692,413.50
  6. Step 6: Final answer
    x = 7,371,536.23

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1.5x scale

Why These Related Problems?

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