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Finding the Fourth Proportional to 2,984.21, 4,465.07 and 2,681.07

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Solution

The fourth proportional to 2,984.21, 4,465.07 and 2,681.07 is: 4,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.21 : 4,465.07 = 2,681.07 : x
  2. Step 2: Convert to fraction form
    2,984.21/4,465.07 = 2,681.07/x
  3. Step 3: Cross multiply
    2,984.21x = 4,465.07 × 2,681.07
  4. Step 4: Simplify right side
    2,984.21x = 11,971,160.21
  5. Step 5: Solve for x
    x = 11,971,160.21/2,984.21
  6. Step 6: Final answer
    x = 4,011.50

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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.