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Finding the Fourth Proportional to 7,362.79, 10,159.72 and 4,977.95

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Solution

The fourth proportional to 7,362.79, 10,159.72 and 4,977.95 is: 6,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.79 : 10,159.72 = 4,977.95 : x
  2. Step 2: Convert to fraction form
    7,362.79/10,159.72 = 4,977.95/x
  3. Step 3: Cross multiply
    7,362.79x = 10,159.72 × 4,977.95
  4. Step 4: Simplify right side
    7,362.79x = 50,574,514.93
  5. Step 5: Solve for x
    x = 50,574,514.93/7,362.79
  6. Step 6: Final answer
    x = 6,868.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.