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Finding the Fourth Proportional to 34,889.92, 47,503.84 and 34,779.20

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Solution

The fourth proportional to 34,889.92, 47,503.84 and 34,779.20 is: 47,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,889.92 : 47,503.84 = 34,779.20 : x
  2. Step 2: Convert to fraction form
    34,889.92/47,503.84 = 34,779.20/x
  3. Step 3: Cross multiply
    34,889.92x = 47,503.84 × 34,779.20
  4. Step 4: Simplify right side
    34,889.92x = 1,652,145,552.13
  5. Step 5: Solve for x
    x = 1,652,145,552.13/34,889.92
  6. Step 6: Final answer
    x = 47,353.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.