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Finding the Fourth Proportional to 47,349.87, 65,340.77 and 25,839.07

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Solution

The fourth proportional to 47,349.87, 65,340.77 and 25,839.07 is: 35,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,349.87 : 65,340.77 = 25,839.07 : x
  2. Step 2: Convert to fraction form
    47,349.87/65,340.77 = 25,839.07/x
  3. Step 3: Cross multiply
    47,349.87x = 65,340.77 × 25,839.07
  4. Step 4: Simplify right side
    47,349.87x = 1,688,344,702.34
  5. Step 5: Solve for x
    x = 1,688,344,702.34/47,349.87
  6. Step 6: Final answer
    x = 35,656.80

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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.