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Finding the Fourth Proportional to 57,193.50, 78,927.03 and 34,837.50

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Solution

The fourth proportional to 57,193.50, 78,927.03 and 34,837.50 is: 48,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,193.50 : 78,927.03 = 34,837.50 : x
  2. Step 2: Convert to fraction form
    57,193.50/78,927.03 = 34,837.50/x
  3. Step 3: Cross multiply
    57,193.50x = 78,927.03 × 34,837.50
  4. Step 4: Simplify right side
    57,193.50x = 2,749,620,407.63
  5. Step 5: Solve for x
    x = 2,749,620,407.63/57,193.50
  6. Step 6: Final answer
    x = 48,075.75

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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.