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Finding the Fourth Proportional to 64,880.32, 97,190.88 and 59,398.24

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Solution

The fourth proportional to 64,880.32, 97,190.88 and 59,398.24 is: 88,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,880.32 : 97,190.88 = 59,398.24 : x
  2. Step 2: Convert to fraction form
    64,880.32/97,190.88 = 59,398.24/x
  3. Step 3: Cross multiply
    64,880.32x = 97,190.88 × 59,398.24
  4. Step 4: Simplify right side
    64,880.32x = 5,772,967,216.05
  5. Step 5: Solve for x
    x = 5,772,967,216.05/64,880.32
  6. Step 6: Final answer
    x = 88,978.71

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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.