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Finding the Fourth Proportional to 30,994.08, 46,502.64 and 14,362.08

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Solution

The fourth proportional to 30,994.08, 46,502.64 and 14,362.08 is: 21,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,994.08 : 46,502.64 = 14,362.08 : x
  2. Step 2: Convert to fraction form
    30,994.08/46,502.64 = 14,362.08/x
  3. Step 3: Cross multiply
    30,994.08x = 46,502.64 × 14,362.08
  4. Step 4: Simplify right side
    30,994.08x = 667,874,635.89
  5. Step 5: Solve for x
    x = 667,874,635.89/30,994.08
  6. Step 6: Final answer
    x = 21,548.46

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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.