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Finding the Fourth Proportional to 64,880.70, 97,321.05 and 60,944.10

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Solution

The fourth proportional to 64,880.70, 97,321.05 and 60,944.10 is: 91,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,880.70 : 97,321.05 = 60,944.10 : x
  2. Step 2: Convert to fraction form
    64,880.70/97,321.05 = 60,944.10/x
  3. Step 3: Cross multiply
    64,880.70x = 97,321.05 × 60,944.10
  4. Step 4: Simplify right side
    64,880.70x = 5,931,143,803.31
  5. Step 5: Solve for x
    x = 5,931,143,803.31/64,880.70
  6. Step 6: Final answer
    x = 91,416.15

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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.