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Finding the Fourth Proportional to 50,312.64, 69,502.29 and 47,655.44

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Solution

The fourth proportional to 50,312.64, 69,502.29 and 47,655.44 is: 65,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,312.64 : 69,502.29 = 47,655.44 : x
  2. Step 2: Convert to fraction form
    50,312.64/69,502.29 = 47,655.44/x
  3. Step 3: Cross multiply
    50,312.64x = 69,502.29 × 47,655.44
  4. Step 4: Simplify right side
    50,312.64x = 3,312,161,625.17
  5. Step 5: Solve for x
    x = 3,312,161,625.17/50,312.64
  6. Step 6: Final answer
    x = 65,831.60

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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.