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Finding the Fourth Proportional to 50,994.36, 70,368.48 and 30,862.44

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Solution

The fourth proportional to 50,994.36, 70,368.48 and 30,862.44 is: 42,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,994.36 : 70,368.48 = 30,862.44 : x
  2. Step 2: Convert to fraction form
    50,994.36/70,368.48 = 30,862.44/x
  3. Step 3: Cross multiply
    50,994.36x = 70,368.48 × 30,862.44
  4. Step 4: Simplify right side
    50,994.36x = 2,171,742,991.89
  5. Step 5: Solve for x
    x = 2,171,742,991.89/50,994.36
  6. Step 6: Final answer
    x = 42,587.91

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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.