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Finding the Fourth Proportional to 47,758.76, 65,907.78 and 26,539.40

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Solution

The fourth proportional to 47,758.76, 65,907.78 and 26,539.40 is: 36,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,758.76 : 65,907.78 = 26,539.40 : x
  2. Step 2: Convert to fraction form
    47,758.76/65,907.78 = 26,539.40/x
  3. Step 3: Cross multiply
    47,758.76x = 65,907.78 × 26,539.40
  4. Step 4: Simplify right side
    47,758.76x = 1,749,152,936.53
  5. Step 5: Solve for x
    x = 1,749,152,936.53/47,758.76
  6. Step 6: Final answer
    x = 36,624.76

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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.