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Finding the Fourth Proportional to 64,833.50, 97,250.26 and 21,057.50

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Solution

The fourth proportional to 64,833.50, 97,250.26 and 21,057.50 is: 31,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,833.50 : 97,250.26 = 21,057.50 : x
  2. Step 2: Convert to fraction form
    64,833.50/97,250.26 = 21,057.50/x
  3. Step 3: Cross multiply
    64,833.50x = 97,250.26 × 21,057.50
  4. Step 4: Simplify right side
    64,833.50x = 2,047,847,349.95
  5. Step 5: Solve for x
    x = 2,047,847,349.95/64,833.50
  6. Step 6: Final answer
    x = 31,586.25

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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.