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Finding the Fourth Proportional to 34,820.58, 48,051.96 and 18,905.24

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Solution

The fourth proportional to 34,820.58, 48,051.96 and 18,905.24 is: 26,088.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,820.58 : 48,051.96 = 18,905.24 : x
  2. Step 2: Convert to fraction form
    34,820.58/48,051.96 = 18,905.24/x
  3. Step 3: Cross multiply
    34,820.58x = 48,051.96 × 18,905.24
  4. Step 4: Simplify right side
    34,820.58x = 908,433,836.27
  5. Step 5: Solve for x
    x = 908,433,836.27/34,820.58
  6. Step 6: Final answer
    x = 26,088.99

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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.