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Finding the Fourth Proportional to 44,513.01, 66,780.90 and 31,391.01

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Solution

The fourth proportional to 44,513.01, 66,780.90 and 31,391.01 is: 47,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,513.01 : 66,780.90 = 31,391.01 : x
  2. Step 2: Convert to fraction form
    44,513.01/66,780.90 = 31,391.01/x
  3. Step 3: Cross multiply
    44,513.01x = 66,780.90 × 31,391.01
  4. Step 4: Simplify right side
    44,513.01x = 2,096,319,899.71
  5. Step 5: Solve for x
    x = 2,096,319,899.71/44,513.01
  6. Step 6: Final answer
    x = 47,094.54

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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.