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Finding the Fourth Proportional to 6,459.74, 8,905.88 and 5,803.64

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Solution

The fourth proportional to 6,459.74, 8,905.88 and 5,803.64 is: 8,001.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.74 : 8,905.88 = 5,803.64 : x
  2. Step 2: Convert to fraction form
    6,459.74/8,905.88 = 5,803.64/x
  3. Step 3: Cross multiply
    6,459.74x = 8,905.88 × 5,803.64
  4. Step 4: Simplify right side
    6,459.74x = 51,686,521.40
  5. Step 5: Solve for x
    x = 51,686,521.40/6,459.74
  6. Step 6: Final answer
    x = 8,001.33

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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.