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Finding the Fourth Proportional to 44,659.72, 61,671.90 and 28,771.72

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Solution

The fourth proportional to 44,659.72, 61,671.90 and 28,771.72 is: 39,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,659.72 : 61,671.90 = 28,771.72 : x
  2. Step 2: Convert to fraction form
    44,659.72/61,671.90 = 28,771.72/x
  3. Step 3: Cross multiply
    44,659.72x = 61,671.90 × 28,771.72
  4. Step 4: Simplify right side
    44,659.72x = 1,774,406,638.67
  5. Step 5: Solve for x
    x = 1,774,406,638.67/44,659.72
  6. Step 6: Final answer
    x = 39,731.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.