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Finding the Fourth Proportional to 27,461.99, 37,890.74 and 15,525.07

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Solution

The fourth proportional to 27,461.99, 37,890.74 and 15,525.07 is: 21,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,461.99 : 37,890.74 = 15,525.07 : x
  2. Step 2: Convert to fraction form
    27,461.99/37,890.74 = 15,525.07/x
  3. Step 3: Cross multiply
    27,461.99x = 37,890.74 × 15,525.07
  4. Step 4: Simplify right side
    27,461.99x = 588,256,247.61
  5. Step 5: Solve for x
    x = 588,256,247.61/27,461.99
  6. Step 6: Final answer
    x = 21,420.75

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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.