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Finding the Fourth Proportional to 5,393.84, 7,444.28 and 5,060.28

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Solution

The fourth proportional to 5,393.84, 7,444.28 and 5,060.28 is: 6,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.84 : 7,444.28 = 5,060.28 : x
  2. Step 2: Convert to fraction form
    5,393.84/7,444.28 = 5,060.28/x
  3. Step 3: Cross multiply
    5,393.84x = 7,444.28 × 5,060.28
  4. Step 4: Simplify right side
    5,393.84x = 37,670,141.20
  5. Step 5: Solve for x
    x = 37,670,141.20/5,393.84
  6. Step 6: Final answer
    x = 6,983.92

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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.