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Finding the Fourth Proportional to 44,280.60, 66,420.90 and 14,699.40

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Solution

The fourth proportional to 44,280.60, 66,420.90 and 14,699.40 is: 22,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,280.60 : 66,420.90 = 14,699.40 : x
  2. Step 2: Convert to fraction form
    44,280.60/66,420.90 = 14,699.40/x
  3. Step 3: Cross multiply
    44,280.60x = 66,420.90 × 14,699.40
  4. Step 4: Simplify right side
    44,280.60x = 976,347,377.46
  5. Step 5: Solve for x
    x = 976,347,377.46/44,280.60
  6. Step 6: Final answer
    x = 22,049.10

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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.