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Finding the Fourth Proportional to 53,659.32, 80,488.98 and 18,598.98

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Solution

The fourth proportional to 53,659.32, 80,488.98 and 18,598.98 is: 27,898.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,659.32 : 80,488.98 = 18,598.98 : x
  2. Step 2: Convert to fraction form
    53,659.32/80,488.98 = 18,598.98/x
  3. Step 3: Cross multiply
    53,659.32x = 80,488.98 × 18,598.98
  4. Step 4: Simplify right side
    53,659.32x = 1,497,012,929.24
  5. Step 5: Solve for x
    x = 1,497,012,929.24/53,659.32
  6. Step 6: Final answer
    x = 27,898.47

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.