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Finding the Fourth Proportional to 34,484.76, 47,589 and 19,580.76

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Solution

The fourth proportional to 34,484.76, 47,589 and 19,580.76 is: 27,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,484.76 : 47,589 = 19,580.76 : x
  2. Step 2: Convert to fraction form
    34,484.76/47,589 = 19,580.76/x
  3. Step 3: Cross multiply
    34,484.76x = 47,589 × 19,580.76
  4. Step 4: Simplify right side
    34,484.76x = 931,828,787.64
  5. Step 5: Solve for x
    x = 931,828,787.64/34,484.76
  6. Step 6: Final answer
    x = 27,021.47

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Double scale
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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.