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Finding the Fourth Proportional to 7,981.04, 11,014.80 and 4,444.76

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Solution

The fourth proportional to 7,981.04, 11,014.80 and 4,444.76 is: 6,134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.04 : 11,014.80 = 4,444.76 : x
  2. Step 2: Convert to fraction form
    7,981.04/11,014.80 = 4,444.76/x
  3. Step 3: Cross multiply
    7,981.04x = 11,014.80 × 4,444.76
  4. Step 4: Simplify right side
    7,981.04x = 48,958,142.45
  5. Step 5: Solve for x
    x = 48,958,142.45/7,981.04
  6. Step 6: Final answer
    x = 6,134.31

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Half scale
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Double scale
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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.