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Finding the Fourth Proportional to 8,413.02, 11,604.87 and 5,424.12

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Solution

The fourth proportional to 8,413.02, 11,604.87 and 5,424.12 is: 7,482.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.02 : 11,604.87 = 5,424.12 : x
  2. Step 2: Convert to fraction form
    8,413.02/11,604.87 = 5,424.12/x
  3. Step 3: Cross multiply
    8,413.02x = 11,604.87 × 5,424.12
  4. Step 4: Simplify right side
    8,413.02x = 62,946,207.46
  5. Step 5: Solve for x
    x = 62,946,207.46/8,413.02
  6. Step 6: Final answer
    x = 7,482.00

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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.