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Finding the Fourth Proportional to 64,230.60, 96,216.30 and 44,531.40

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Solution

The fourth proportional to 64,230.60, 96,216.30 and 44,531.40 is: 66,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,230.60 : 96,216.30 = 44,531.40 : x
  2. Step 2: Convert to fraction form
    64,230.60/96,216.30 = 44,531.40/x
  3. Step 3: Cross multiply
    64,230.60x = 96,216.30 × 44,531.40
  4. Step 4: Simplify right side
    64,230.60x = 4,284,646,541.82
  5. Step 5: Solve for x
    x = 4,284,646,541.82/64,230.60
  6. Step 6: Final answer
    x = 66,707.25

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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.