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Finding the Fourth Proportional to 12,328.96, 18,492.18 and 3,094.96

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Solution

The fourth proportional to 12,328.96, 18,492.18 and 3,094.96 is: 4,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.96 : 18,492.18 = 3,094.96 : x
  2. Step 2: Convert to fraction form
    12,328.96/18,492.18 = 3,094.96/x
  3. Step 3: Cross multiply
    12,328.96x = 18,492.18 × 3,094.96
  4. Step 4: Simplify right side
    12,328.96x = 57,232,557.41
  5. Step 5: Solve for x
    x = 57,232,557.41/12,328.96
  6. Step 6: Final answer
    x = 4,642.12

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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.