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Finding the Fourth Proportional to 44,269.60, 66,410.80 and 14,688.80

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Solution

The fourth proportional to 44,269.60, 66,410.80 and 14,688.80 is: 22,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,269.60 : 66,410.80 = 14,688.80 : x
  2. Step 2: Convert to fraction form
    44,269.60/66,410.80 = 14,688.80/x
  3. Step 3: Cross multiply
    44,269.60x = 66,410.80 × 14,688.80
  4. Step 4: Simplify right side
    44,269.60x = 975,494,959.04
  5. Step 5: Solve for x
    x = 975,494,959.04/44,269.60
  6. Step 6: Final answer
    x = 22,035.32

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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.