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Finding the Fourth Proportional to 50,746.08, 70,030.48 and 30,604.08

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Solution

The fourth proportional to 50,746.08, 70,030.48 and 30,604.08 is: 42,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,746.08 : 70,030.48 = 30,604.08 : x
  2. Step 2: Convert to fraction form
    50,746.08/70,030.48 = 30,604.08/x
  3. Step 3: Cross multiply
    50,746.08x = 70,030.48 × 30,604.08
  4. Step 4: Simplify right side
    50,746.08x = 2,143,218,412.36
  5. Step 5: Solve for x
    x = 2,143,218,412.36/50,746.08
  6. Step 6: Final answer
    x = 42,234.17

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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.