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Finding the Fourth Proportional to 64,293.55, 96,405.17 and 51,051.61

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Solution

The fourth proportional to 64,293.55, 96,405.17 and 51,051.61 is: 76,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,293.55 : 96,405.17 = 51,051.61 : x
  2. Step 2: Convert to fraction form
    64,293.55/96,405.17 = 51,051.61/x
  3. Step 3: Cross multiply
    64,293.55x = 96,405.17 × 51,051.61
  4. Step 4: Simplify right side
    64,293.55x = 4,921,638,403.54
  5. Step 5: Solve for x
    x = 4,921,638,403.54/64,293.55
  6. Step 6: Final answer
    x = 76,549.49

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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.