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Finding the Fourth Proportional to 27,503.84, 37,955.04 and 14,928.32

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Solution

The fourth proportional to 27,503.84, 37,955.04 and 14,928.32 is: 20,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,503.84 : 37,955.04 = 14,928.32 : x
  2. Step 2: Convert to fraction form
    27,503.84/37,955.04 = 14,928.32/x
  3. Step 3: Cross multiply
    27,503.84x = 37,955.04 × 14,928.32
  4. Step 4: Simplify right side
    27,503.84x = 566,604,982.73
  5. Step 5: Solve for x
    x = 566,604,982.73/27,503.84
  6. Step 6: Final answer
    x = 20,600.94

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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.