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Finding the Fourth Proportional to 40,492.08, 60,730.80 and 10,903.08

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Solution

The fourth proportional to 40,492.08, 60,730.80 and 10,903.08 is: 16,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,492.08 : 60,730.80 = 10,903.08 : x
  2. Step 2: Convert to fraction form
    40,492.08/60,730.80 = 10,903.08/x
  3. Step 3: Cross multiply
    40,492.08x = 60,730.80 × 10,903.08
  4. Step 4: Simplify right side
    40,492.08x = 662,152,770.86
  5. Step 5: Solve for x
    x = 662,152,770.86/40,492.08
  6. Step 6: Final answer
    x = 16,352.65

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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.