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Finding the Fourth Proportional to 35,252.40, 48,620.04 and 30,994.40

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Solution

The fourth proportional to 35,252.40, 48,620.04 and 30,994.40 is: 42,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,252.40 : 48,620.04 = 30,994.40 : x
  2. Step 2: Convert to fraction form
    35,252.40/48,620.04 = 30,994.40/x
  3. Step 3: Cross multiply
    35,252.40x = 48,620.04 × 30,994.40
  4. Step 4: Simplify right side
    35,252.40x = 1,506,948,967.78
  5. Step 5: Solve for x
    x = 1,506,948,967.78/35,252.40
  6. Step 6: Final answer
    x = 42,747.41

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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.