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Finding the Fourth Proportional to 32,907.77, 45,413.77 and 18,003.77

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Solution

The fourth proportional to 32,907.77, 45,413.77 and 18,003.77 is: 24,845.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,907.77 : 45,413.77 = 18,003.77 : x
  2. Step 2: Convert to fraction form
    32,907.77/45,413.77 = 18,003.77/x
  3. Step 3: Cross multiply
    32,907.77x = 45,413.77 × 18,003.77
  4. Step 4: Simplify right side
    32,907.77x = 817,618,979.89
  5. Step 5: Solve for x
    x = 817,618,979.89/32,907.77
  6. Step 6: Final answer
    x = 24,845.77

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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.