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Finding the Fourth Proportional to 45,906.16, 68,858.80 and 14,741.40

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Solution

The fourth proportional to 45,906.16, 68,858.80 and 14,741.40 is: 22,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,906.16 : 68,858.80 = 14,741.40 : x
  2. Step 2: Convert to fraction form
    45,906.16/68,858.80 = 14,741.40/x
  3. Step 3: Cross multiply
    45,906.16x = 68,858.80 × 14,741.40
  4. Step 4: Simplify right side
    45,906.16x = 1,015,075,114.32
  5. Step 5: Solve for x
    x = 1,015,075,114.32/45,906.16
  6. Step 6: Final answer
    x = 22,111.96

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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.