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Finding the Fourth Proportional to 5,303.75, 7,319.18 and 2,946.11

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Solution

The fourth proportional to 5,303.75, 7,319.18 and 2,946.11 is: 4,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.75 : 7,319.18 = 2,946.11 : x
  2. Step 2: Convert to fraction form
    5,303.75/7,319.18 = 2,946.11/x
  3. Step 3: Cross multiply
    5,303.75x = 7,319.18 × 2,946.11
  4. Step 4: Simplify right side
    5,303.75x = 21,563,094.66
  5. Step 5: Solve for x
    x = 21,563,094.66/5,303.75
  6. Step 6: Final answer
    x = 4,065.63

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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.