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Finding the Fourth Proportional to 65,413.20, 98,265.60 and 63,663.60

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Solution

The fourth proportional to 65,413.20, 98,265.60 and 63,663.60 is: 95,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,413.20 : 98,265.60 = 63,663.60 : x
  2. Step 2: Convert to fraction form
    65,413.20/98,265.60 = 63,663.60/x
  3. Step 3: Cross multiply
    65,413.20x = 98,265.60 × 63,663.60
  4. Step 4: Simplify right side
    65,413.20x = 6,255,941,852.16
  5. Step 5: Solve for x
    x = 6,255,941,852.16/65,413.20
  6. Step 6: Final answer
    x = 95,637.30

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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.