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Finding the Fourth Proportional to 27,436.84, 37,862.84 and 14,861.59

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Solution

The fourth proportional to 27,436.84, 37,862.84 and 14,861.59 is: 20,508.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.84 : 37,862.84 = 14,861.59 : x
  2. Step 2: Convert to fraction form
    27,436.84/37,862.84 = 14,861.59/x
  3. Step 3: Cross multiply
    27,436.84x = 37,862.84 × 14,861.59
  4. Step 4: Simplify right side
    27,436.84x = 562,701,740.69
  5. Step 5: Solve for x
    x = 562,701,740.69/27,436.84
  6. Step 6: Final answer
    x = 20,508.99

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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.