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Finding the Fourth Proportional to 44,478.91, 66,702.19 and 14,889.71

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Solution

The fourth proportional to 44,478.91, 66,702.19 and 14,889.71 is: 22,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,478.91 : 66,702.19 = 14,889.71 : x
  2. Step 2: Convert to fraction form
    44,478.91/66,702.19 = 14,889.71/x
  3. Step 3: Cross multiply
    44,478.91x = 66,702.19 × 14,889.71
  4. Step 4: Simplify right side
    44,478.91x = 993,176,191.02
  5. Step 5: Solve for x
    x = 993,176,191.02/44,478.91
  6. Step 6: Final answer
    x = 22,329.15

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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.