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Finding the Fourth Proportional to 9,903.76, 14,850.16 and 4,064.48

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Solution

The fourth proportional to 9,903.76, 14,850.16 and 4,064.48 is: 6,094.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.76 : 14,850.16 = 4,064.48 : x
  2. Step 2: Convert to fraction form
    9,903.76/14,850.16 = 4,064.48/x
  3. Step 3: Cross multiply
    9,903.76x = 14,850.16 × 4,064.48
  4. Step 4: Simplify right side
    9,903.76x = 60,358,178.32
  5. Step 5: Solve for x
    x = 60,358,178.32/9,903.76
  6. Step 6: Final answer
    x = 6,094.47

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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.