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Finding the Fourth Proportional to 50,312.95, 69,502.74 and 47,655.75

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Solution

The fourth proportional to 50,312.95, 69,502.74 and 47,655.75 is: 65,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,312.95 : 69,502.74 = 47,655.75 : x
  2. Step 2: Convert to fraction form
    50,312.95/69,502.74 = 47,655.75/x
  3. Step 3: Cross multiply
    50,312.95x = 69,502.74 × 47,655.75
  4. Step 4: Simplify right side
    50,312.95x = 3,312,205,201.76
  5. Step 5: Solve for x
    x = 3,312,205,201.76/50,312.95
  6. Step 6: Final answer
    x = 65,832.06

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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.