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Finding the Fourth Proportional to 67,337.64, 92,413.62 and 61,972.20

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Solution

The fourth proportional to 67,337.64, 92,413.62 and 61,972.20 is: 85,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,337.64 : 92,413.62 = 61,972.20 : x
  2. Step 2: Convert to fraction form
    67,337.64/92,413.62 = 61,972.20/x
  3. Step 3: Cross multiply
    67,337.64x = 92,413.62 × 61,972.20
  4. Step 4: Simplify right side
    67,337.64x = 5,727,075,341.36
  5. Step 5: Solve for x
    x = 5,727,075,341.36/67,337.64
  6. Step 6: Final answer
    x = 85,050.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.