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Finding the Fourth Proportional to 15,604.02, 21,533.22 and 8,530.02

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Solution

The fourth proportional to 15,604.02, 21,533.22 and 8,530.02 is: 11,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.02 : 21,533.22 = 8,530.02 : x
  2. Step 2: Convert to fraction form
    15,604.02/21,533.22 = 8,530.02/x
  3. Step 3: Cross multiply
    15,604.02x = 21,533.22 × 8,530.02
  4. Step 4: Simplify right side
    15,604.02x = 183,678,797.26
  5. Step 5: Solve for x
    x = 183,678,797.26/15,604.02
  6. Step 6: Final answer
    x = 11,771.25

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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.