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Finding the Fourth Proportional to 46,586.90, 69,858.84 and 14,991.08

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Solution

The fourth proportional to 46,586.90, 69,858.84 and 14,991.08 is: 22,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,586.90 : 69,858.84 = 14,991.08 : x
  2. Step 2: Convert to fraction form
    46,586.90/69,858.84 = 14,991.08/x
  3. Step 3: Cross multiply
    46,586.90x = 69,858.84 × 14,991.08
  4. Step 4: Simplify right side
    46,586.90x = 1,047,259,459.15
  5. Step 5: Solve for x
    x = 1,047,259,459.15/46,586.90
  6. Step 6: Final answer
    x = 22,479.70

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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.