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Finding the Fourth Proportional to 46,612.16, 69,918.08 and 18,910.08

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Solution

The fourth proportional to 46,612.16, 69,918.08 and 18,910.08 is: 28,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,612.16 : 69,918.08 = 18,910.08 : x
  2. Step 2: Convert to fraction form
    46,612.16/69,918.08 = 18,910.08/x
  3. Step 3: Cross multiply
    46,612.16x = 69,918.08 × 18,910.08
  4. Step 4: Simplify right side
    46,612.16x = 1,322,156,486.25
  5. Step 5: Solve for x
    x = 1,322,156,486.25/46,612.16
  6. Step 6: Final answer
    x = 28,365.06

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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.