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Finding the Fourth Proportional to 65,019.76, 97,529.64 and 15,771.76

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Solution

The fourth proportional to 65,019.76, 97,529.64 and 15,771.76 is: 23,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,019.76 : 97,529.64 = 15,771.76 : x
  2. Step 2: Convert to fraction form
    65,019.76/97,529.64 = 15,771.76/x
  3. Step 3: Cross multiply
    65,019.76x = 97,529.64 × 15,771.76
  4. Step 4: Simplify right side
    65,019.76x = 1,538,214,074.97
  5. Step 5: Solve for x
    x = 1,538,214,074.97/65,019.76
  6. Step 6: Final answer
    x = 23,657.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.