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Finding the Fourth Proportional to 6,415.02, 8,853.03 and 4,840.38

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Solution

The fourth proportional to 6,415.02, 8,853.03 and 4,840.38 is: 6,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.02 : 8,853.03 = 4,840.38 : x
  2. Step 2: Convert to fraction form
    6,415.02/8,853.03 = 4,840.38/x
  3. Step 3: Cross multiply
    6,415.02x = 8,853.03 × 4,840.38
  4. Step 4: Simplify right side
    6,415.02x = 42,852,029.35
  5. Step 5: Solve for x
    x = 42,852,029.35/6,415.02
  6. Step 6: Final answer
    x = 6,679.95

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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.