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Finding the Fourth Proportional to 46,614.16, 69,921.08 and 18,912.08

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Solution

The fourth proportional to 46,614.16, 69,921.08 and 18,912.08 is: 28,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,614.16 : 69,921.08 = 18,912.08 : x
  2. Step 2: Convert to fraction form
    46,614.16/69,921.08 = 18,912.08/x
  3. Step 3: Cross multiply
    46,614.16x = 69,921.08 × 18,912.08
  4. Step 4: Simplify right side
    46,614.16x = 1,322,353,058.65
  5. Step 5: Solve for x
    x = 1,322,353,058.65/46,614.16
  6. Step 6: Final answer
    x = 28,368.06

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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.