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Finding the Fourth Proportional to 32,899.32, 45,356.63 and 28,413.54

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Solution

The fourth proportional to 32,899.32, 45,356.63 and 28,413.54 is: 39,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,899.32 : 45,356.63 = 28,413.54 : x
  2. Step 2: Convert to fraction form
    32,899.32/45,356.63 = 28,413.54/x
  3. Step 3: Cross multiply
    32,899.32x = 45,356.63 × 28,413.54
  4. Step 4: Simplify right side
    32,899.32x = 1,288,742,278.70
  5. Step 5: Solve for x
    x = 1,288,742,278.70/32,899.32
  6. Step 6: Final answer
    x = 39,172.31

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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.