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Finding the Fourth Proportional to 60,897.90, 91,354.22 and 21,446.94

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Solution

The fourth proportional to 60,897.90, 91,354.22 and 21,446.94 is: 32,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,897.90 : 91,354.22 = 21,446.94 : x
  2. Step 2: Convert to fraction form
    60,897.90/91,354.22 = 21,446.94/x
  3. Step 3: Cross multiply
    60,897.90x = 91,354.22 × 21,446.94
  4. Step 4: Simplify right side
    60,897.90x = 1,959,268,475.09
  5. Step 5: Solve for x
    x = 1,959,268,475.09/60,897.90
  6. Step 6: Final answer
    x = 32,173.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.