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Finding the Fourth Proportional to 44,574.60, 66,861.88 and 18,291.72

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Solution

The fourth proportional to 44,574.60, 66,861.88 and 18,291.72 is: 27,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,574.60 : 66,861.88 = 18,291.72 : x
  2. Step 2: Convert to fraction form
    44,574.60/66,861.88 = 18,291.72/x
  3. Step 3: Cross multiply
    44,574.60x = 66,861.88 × 18,291.72
  4. Step 4: Simplify right side
    44,574.60x = 1,223,018,787.63
  5. Step 5: Solve for x
    x = 1,223,018,787.63/44,574.60
  6. Step 6: Final answer
    x = 27,437.57

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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.