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Finding the Fourth Proportional to 16,955.70, 25,445.70 and 9,552.30

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Solution

The fourth proportional to 16,955.70, 25,445.70 and 9,552.30 is: 14,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.70 : 25,445.70 = 9,552.30 : x
  2. Step 2: Convert to fraction form
    16,955.70/25,445.70 = 9,552.30/x
  3. Step 3: Cross multiply
    16,955.70x = 25,445.70 × 9,552.30
  4. Step 4: Simplify right side
    16,955.70x = 243,064,960.11
  5. Step 5: Solve for x
    x = 243,064,960.11/16,955.70
  6. Step 6: Final answer
    x = 14,335.29

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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.