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Finding the Fourth Proportional to 50,817.70, 70,132.80 and 29,598.94

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Solution

The fourth proportional to 50,817.70, 70,132.80 and 29,598.94 is: 40,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,817.70 : 70,132.80 = 29,598.94 : x
  2. Step 2: Convert to fraction form
    50,817.70/70,132.80 = 29,598.94/x
  3. Step 3: Cross multiply
    50,817.70x = 70,132.80 × 29,598.94
  4. Step 4: Simplify right side
    50,817.70x = 2,075,856,539.23
  5. Step 5: Solve for x
    x = 2,075,856,539.23/50,817.70
  6. Step 6: Final answer
    x = 40,849.08

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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.