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Finding the Fourth Proportional to 19,595.99, 27,041.69 and 11,638.01

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Solution

The fourth proportional to 19,595.99, 27,041.69 and 11,638.01 is: 16,059.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.99 : 27,041.69 = 11,638.01 : x
  2. Step 2: Convert to fraction form
    19,595.99/27,041.69 = 11,638.01/x
  3. Step 3: Cross multiply
    19,595.99x = 27,041.69 × 11,638.01
  4. Step 4: Simplify right side
    19,595.99x = 314,711,352.52
  5. Step 5: Solve for x
    x = 314,711,352.52/19,595.99
  6. Step 6: Final answer
    x = 16,059.99

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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.