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Finding the Fourth Proportional to 7,283.64, 10,926.16 and 2,900.07

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Solution

The fourth proportional to 7,283.64, 10,926.16 and 2,900.07 is: 4,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.64 : 10,926.16 = 2,900.07 : x
  2. Step 2: Convert to fraction form
    7,283.64/10,926.16 = 2,900.07/x
  3. Step 3: Cross multiply
    7,283.64x = 10,926.16 × 2,900.07
  4. Step 4: Simplify right side
    7,283.64x = 31,686,628.83
  5. Step 5: Solve for x
    x = 31,686,628.83/7,283.64
  6. Step 6: Final answer
    x = 4,350.38

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1.5x scale

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.