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Finding the Fourth Proportional to 38,250.50, 52,790.64 and 21,483.50

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Solution

The fourth proportional to 38,250.50, 52,790.64 and 21,483.50 is: 29,650.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,250.50 : 52,790.64 = 21,483.50 : x
  2. Step 2: Convert to fraction form
    38,250.50/52,790.64 = 21,483.50/x
  3. Step 3: Cross multiply
    38,250.50x = 52,790.64 × 21,483.50
  4. Step 4: Simplify right side
    38,250.50x = 1,134,127,714.44
  5. Step 5: Solve for x
    x = 1,134,127,714.44/38,250.50
  6. Step 6: Final answer
    x = 29,650.01

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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.