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Finding the Fourth Proportional to 10,883, 16,328.16 and 4,642.76

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Solution

The fourth proportional to 10,883, 16,328.16 and 4,642.76 is: 6,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883 : 16,328.16 = 4,642.76 : x
  2. Step 2: Convert to fraction form
    10,883/16,328.16 = 4,642.76/x
  3. Step 3: Cross multiply
    10,883x = 16,328.16 × 4,642.76
  4. Step 4: Simplify right side
    10,883x = 75,807,728.12
  5. Step 5: Solve for x
    x = 75,807,728.12/10,883
  6. Step 6: Final answer
    x = 6,965.70

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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.