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Finding the Fourth Proportional to 14,969.24, 20,660.00 and 9,004.20

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Solution

The fourth proportional to 14,969.24, 20,660.00 and 9,004.20 is: 12,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.24 : 20,660.00 = 9,004.20 : x
  2. Step 2: Convert to fraction form
    14,969.24/20,660.00 = 9,004.20/x
  3. Step 3: Cross multiply
    14,969.24x = 20,660.00 × 9,004.20
  4. Step 4: Simplify right side
    14,969.24x = 186,026,649.50
  5. Step 5: Solve for x
    x = 186,026,649.50/14,969.24
  6. Step 6: Final answer
    x = 12,427.26

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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.