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Finding the Fourth Proportional to 65,492.30, 90,413.43 and 50,924.18

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Solution

The fourth proportional to 65,492.30, 90,413.43 and 50,924.18 is: 70,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,492.30 : 90,413.43 = 50,924.18 : x
  2. Step 2: Convert to fraction form
    65,492.30/90,413.43 = 50,924.18/x
  3. Step 3: Cross multiply
    65,492.30x = 90,413.43 × 50,924.18
  4. Step 4: Simplify right side
    65,492.30x = 4,604,229,783.74
  5. Step 5: Solve for x
    x = 4,604,229,783.74/65,492.30
  6. Step 6: Final answer
    x = 70,301.85

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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.