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Finding the Fourth Proportional to 4,973.19, 7,460.64 and 2,049.90

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Solution

The fourth proportional to 4,973.19, 7,460.64 and 2,049.90 is: 3,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.19 : 7,460.64 = 2,049.90 : x
  2. Step 2: Convert to fraction form
    4,973.19/7,460.64 = 2,049.90/x
  3. Step 3: Cross multiply
    4,973.19x = 7,460.64 × 2,049.90
  4. Step 4: Simplify right side
    4,973.19x = 15,293,565.94
  5. Step 5: Solve for x
    x = 15,293,565.94/4,973.19
  6. Step 6: Final answer
    x = 3,075.20

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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.