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Finding the Fourth Proportional to 32,912.93, 45,413.13 and 19,477.46

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Solution

The fourth proportional to 32,912.93, 45,413.13 and 19,477.46 is: 26,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,912.93 : 45,413.13 = 19,477.46 : x
  2. Step 2: Convert to fraction form
    32,912.93/45,413.13 = 19,477.46/x
  3. Step 3: Cross multiply
    32,912.93x = 45,413.13 × 19,477.46
  4. Step 4: Simplify right side
    32,912.93x = 884,532,423.05
  5. Step 5: Solve for x
    x = 884,532,423.05/32,912.93
  6. Step 6: Final answer
    x = 26,874.92

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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.