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Finding the Fourth Proportional to 60,492.32, 90,756.90 and 30,930.92

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Solution

The fourth proportional to 60,492.32, 90,756.90 and 30,930.92 is: 46,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,492.32 : 90,756.90 = 30,930.92 : x
  2. Step 2: Convert to fraction form
    60,492.32/90,756.90 = 30,930.92/x
  3. Step 3: Cross multiply
    60,492.32x = 90,756.90 × 30,930.92
  4. Step 4: Simplify right side
    60,492.32x = 2,807,194,413.35
  5. Step 5: Solve for x
    x = 2,807,194,413.35/60,492.32
  6. Step 6: Final answer
    x = 46,405.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.