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Finding the Fourth Proportional to 7,984.36, 11,026.02 and 7,548.04

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Solution

The fourth proportional to 7,984.36, 11,026.02 and 7,548.04 is: 10,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.36 : 11,026.02 = 7,548.04 : x
  2. Step 2: Convert to fraction form
    7,984.36/11,026.02 = 7,548.04/x
  3. Step 3: Cross multiply
    7,984.36x = 11,026.02 × 7,548.04
  4. Step 4: Simplify right side
    7,984.36x = 83,224,840.00
  5. Step 5: Solve for x
    x = 83,224,840.00/7,984.36
  6. Step 6: Final answer
    x = 10,423.48

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1.5x scale

Why These Related Problems?

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