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Finding the Fourth Proportional to 10,508.55, 14,492.22 and 6,965.61

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Solution

The fourth proportional to 10,508.55, 14,492.22 and 6,965.61 is: 9,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.55 : 14,492.22 = 6,965.61 : x
  2. Step 2: Convert to fraction form
    10,508.55/14,492.22 = 6,965.61/x
  3. Step 3: Cross multiply
    10,508.55x = 14,492.22 × 6,965.61
  4. Step 4: Simplify right side
    10,508.55x = 100,947,152.55
  5. Step 5: Solve for x
    x = 100,947,152.55/10,508.55
  6. Step 6: Final answer
    x = 9,606.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.