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Finding the Fourth Proportional to 64,339.92, 96,485.58 and 31,048.92

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Solution

The fourth proportional to 64,339.92, 96,485.58 and 31,048.92 is: 46,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,339.92 : 96,485.58 = 31,048.92 : x
  2. Step 2: Convert to fraction form
    64,339.92/96,485.58 = 31,048.92/x
  3. Step 3: Cross multiply
    64,339.92x = 96,485.58 × 31,048.92
  4. Step 4: Simplify right side
    64,339.92x = 2,995,773,054.57
  5. Step 5: Solve for x
    x = 2,995,773,054.57/64,339.92
  6. Step 6: Final answer
    x = 46,561.65

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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.