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Finding the Fourth Proportional to 27,503.63, 37,955.81 and 14,929.19

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Solution

The fourth proportional to 27,503.63, 37,955.81 and 14,929.19 is: 20,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,503.63 : 37,955.81 = 14,929.19 : x
  2. Step 2: Convert to fraction form
    27,503.63/37,955.81 = 14,929.19/x
  3. Step 3: Cross multiply
    27,503.63x = 37,955.81 × 14,929.19
  4. Step 4: Simplify right side
    27,503.63x = 566,649,346.64
  5. Step 5: Solve for x
    x = 566,649,346.64/27,503.63
  6. Step 6: Final answer
    x = 20,602.71

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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.