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Finding the Fourth Proportional to 44,045.92, 66,068.88 and 20,672.40

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Solution

The fourth proportional to 44,045.92, 66,068.88 and 20,672.40 is: 31,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,045.92 : 66,068.88 = 20,672.40 : x
  2. Step 2: Convert to fraction form
    44,045.92/66,068.88 = 20,672.40/x
  3. Step 3: Cross multiply
    44,045.92x = 66,068.88 × 20,672.40
  4. Step 4: Simplify right side
    44,045.92x = 1,365,802,314.91
  5. Step 5: Solve for x
    x = 1,365,802,314.91/44,045.92
  6. Step 6: Final answer
    x = 31,008.60

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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.