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Finding the Fourth Proportional to 50,965.32, 76,417.70 and 19,377.70

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Solution

The fourth proportional to 50,965.32, 76,417.70 and 19,377.70 is: 29,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,965.32 : 76,417.70 = 19,377.70 : x
  2. Step 2: Convert to fraction form
    50,965.32/76,417.70 = 19,377.70/x
  3. Step 3: Cross multiply
    50,965.32x = 76,417.70 × 19,377.70
  4. Step 4: Simplify right side
    50,965.32x = 1,480,798,954.50
  5. Step 5: Solve for x
    x = 1,480,798,954.50/50,965.32
  6. Step 6: Final answer
    x = 29,055.03

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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.