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Finding the Fourth Proportional to 34,483.76, 47,587.62 and 19,579.76

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Solution

The fourth proportional to 34,483.76, 47,587.62 and 19,579.76 is: 27,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,483.76 : 47,587.62 = 19,579.76 : x
  2. Step 2: Convert to fraction form
    34,483.76/47,587.62 = 19,579.76/x
  3. Step 3: Cross multiply
    34,483.76x = 47,587.62 × 19,579.76
  4. Step 4: Simplify right side
    34,483.76x = 931,754,178.57
  5. Step 5: Solve for x
    x = 931,754,178.57/34,483.76
  6. Step 6: Final answer
    x = 27,020.09

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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.