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Finding the Fourth Proportional to 44,801.90, 61,800.87 and 28,005.74

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Solution

The fourth proportional to 44,801.90, 61,800.87 and 28,005.74 is: 38,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,801.90 : 61,800.87 = 28,005.74 : x
  2. Step 2: Convert to fraction form
    44,801.90/61,800.87 = 28,005.74/x
  3. Step 3: Cross multiply
    44,801.90x = 61,800.87 × 28,005.74
  4. Step 4: Simplify right side
    44,801.90x = 1,730,779,096.99
  5. Step 5: Solve for x
    x = 1,730,779,096.99/44,801.90
  6. Step 6: Final answer
    x = 38,631.82

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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.