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Finding the Fourth Proportional to 50,307.93, 75,461.73 and 12,868.02

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Solution

The fourth proportional to 50,307.93, 75,461.73 and 12,868.02 is: 19,301.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,307.93 : 75,461.73 = 12,868.02 : x
  2. Step 2: Convert to fraction form
    50,307.93/75,461.73 = 12,868.02/x
  3. Step 3: Cross multiply
    50,307.93x = 75,461.73 × 12,868.02
  4. Step 4: Simplify right side
    50,307.93x = 971,043,050.87
  5. Step 5: Solve for x
    x = 971,043,050.87/50,307.93
  6. Step 6: Final answer
    x = 19,301.99

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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.