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Finding the Fourth Proportional to 10,326.68, 15,492.22 and 2,933.40

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Solution

The fourth proportional to 10,326.68, 15,492.22 and 2,933.40 is: 4,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.68 : 15,492.22 = 2,933.40 : x
  2. Step 2: Convert to fraction form
    10,326.68/15,492.22 = 2,933.40/x
  3. Step 3: Cross multiply
    10,326.68x = 15,492.22 × 2,933.40
  4. Step 4: Simplify right side
    10,326.68x = 45,444,878.15
  5. Step 5: Solve for x
    x = 45,444,878.15/10,326.68
  6. Step 6: Final answer
    x = 4,400.72

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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.