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Finding the Fourth Proportional to 50,953.95, 70,266.96 and 39,603.42

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Solution

The fourth proportional to 50,953.95, 70,266.96 and 39,603.42 is: 54,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,953.95 : 70,266.96 = 39,603.42 : x
  2. Step 2: Convert to fraction form
    50,953.95/70,266.96 = 39,603.42/x
  3. Step 3: Cross multiply
    50,953.95x = 70,266.96 × 39,603.42
  4. Step 4: Simplify right side
    50,953.95x = 2,782,811,929.00
  5. Step 5: Solve for x
    x = 2,782,811,929.00/50,953.95
  6. Step 6: Final answer
    x = 54,614.25

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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.