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Finding the Fourth Proportional to 27,503.48, 37,955.49 and 14,928.20

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Solution

The fourth proportional to 27,503.48, 37,955.49 and 14,928.20 is: 20,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,503.48 : 37,955.49 = 14,928.20 : x
  2. Step 2: Convert to fraction form
    27,503.48/37,955.49 = 14,928.20/x
  3. Step 3: Cross multiply
    27,503.48x = 37,955.49 × 14,928.20
  4. Step 4: Simplify right side
    27,503.48x = 566,607,145.82
  5. Step 5: Solve for x
    x = 566,607,145.82/27,503.48
  6. Step 6: Final answer
    x = 20,601.29

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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.