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Finding the Fourth Proportional to 10,328.04, 15,492 and 3,754.20

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Solution

The fourth proportional to 10,328.04, 15,492 and 3,754.20 is: 5,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.04 : 15,492 = 3,754.20 : x
  2. Step 2: Convert to fraction form
    10,328.04/15,492 = 3,754.20/x
  3. Step 3: Cross multiply
    10,328.04x = 15,492 × 3,754.20
  4. Step 4: Simplify right side
    10,328.04x = 58,160,066.40
  5. Step 5: Solve for x
    x = 58,160,066.40/10,328.04
  6. Step 6: Final answer
    x = 5,631.28

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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.