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Finding the Fourth Proportional to 7,903.99, 11,846.98 and 2,637.76

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Solution

The fourth proportional to 7,903.99, 11,846.98 and 2,637.76 is: 3,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.99 : 11,846.98 = 2,637.76 : x
  2. Step 2: Convert to fraction form
    7,903.99/11,846.98 = 2,637.76/x
  3. Step 3: Cross multiply
    7,903.99x = 11,846.98 × 2,637.76
  4. Step 4: Simplify right side
    7,903.99x = 31,249,476.78
  5. Step 5: Solve for x
    x = 31,249,476.78/7,903.99
  6. Step 6: Final answer
    x = 3,953.64

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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.