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Finding the Fourth Proportional to 47,509.88, 65,509.98 and 35,534.84

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Solution

The fourth proportional to 47,509.88, 65,509.98 and 35,534.84 is: 48,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,509.88 : 65,509.98 = 35,534.84 : x
  2. Step 2: Convert to fraction form
    47,509.88/65,509.98 = 35,534.84/x
  3. Step 3: Cross multiply
    47,509.88x = 65,509.98 × 35,534.84
  4. Step 4: Simplify right side
    47,509.88x = 2,327,886,657.70
  5. Step 5: Solve for x
    x = 2,327,886,657.70/47,509.88
  6. Step 6: Final answer
    x = 48,997.95

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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.