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Finding the Fourth Proportional to 35,608.69, 53,413.15 and 13,416.11

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Solution

The fourth proportional to 35,608.69, 53,413.15 and 13,416.11 is: 20,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,608.69 : 53,413.15 = 13,416.11 : x
  2. Step 2: Convert to fraction form
    35,608.69/53,413.15 = 13,416.11/x
  3. Step 3: Cross multiply
    35,608.69x = 53,413.15 × 13,416.11
  4. Step 4: Simplify right side
    35,608.69x = 716,596,695.85
  5. Step 5: Solve for x
    x = 716,596,695.85/35,608.69
  6. Step 6: Final answer
    x = 20,124.21

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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.