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Finding the Fourth Proportional to 27,483.60, 37,927.20 and 14,908.32

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Solution

The fourth proportional to 27,483.60, 37,927.20 and 14,908.32 is: 20,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,483.60 : 37,927.20 = 14,908.32 : x
  2. Step 2: Convert to fraction form
    27,483.60/37,927.20 = 14,908.32/x
  3. Step 3: Cross multiply
    27,483.60x = 37,927.20 × 14,908.32
  4. Step 4: Simplify right side
    27,483.60x = 565,430,834.30
  5. Step 5: Solve for x
    x = 565,430,834.30/27,483.60
  6. Step 6: Final answer
    x = 20,573.39

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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.