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Finding the Fourth Proportional to 44,647.58, 66,980.58 and 14,664.08

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Solution

The fourth proportional to 44,647.58, 66,980.58 and 14,664.08 is: 21,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,647.58 : 66,980.58 = 14,664.08 : x
  2. Step 2: Convert to fraction form
    44,647.58/66,980.58 = 14,664.08/x
  3. Step 3: Cross multiply
    44,647.58x = 66,980.58 × 14,664.08
  4. Step 4: Simplify right side
    44,647.58x = 982,208,583.57
  5. Step 5: Solve for x
    x = 982,208,583.57/44,647.58
  6. Step 6: Final answer
    x = 21,999.14

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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.