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Finding the Fourth Proportional to 44,607.60, 66,900.96 and 13,009.50

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Solution

The fourth proportional to 44,607.60, 66,900.96 and 13,009.50 is: 19,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,607.60 : 66,900.96 = 13,009.50 : x
  2. Step 2: Convert to fraction form
    44,607.60/66,900.96 = 13,009.50/x
  3. Step 3: Cross multiply
    44,607.60x = 66,900.96 × 13,009.50
  4. Step 4: Simplify right side
    44,607.60x = 870,348,039.12
  5. Step 5: Solve for x
    x = 870,348,039.12/44,607.60
  6. Step 6: Final answer
    x = 19,511.21

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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.