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Finding the Fourth Proportional to 64,459.48, 96,837.46 and 45,784.94

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Solution

The fourth proportional to 64,459.48, 96,837.46 and 45,784.94 is: 68,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,459.48 : 96,837.46 = 45,784.94 : x
  2. Step 2: Convert to fraction form
    64,459.48/96,837.46 = 45,784.94/x
  3. Step 3: Cross multiply
    64,459.48x = 96,837.46 × 45,784.94
  4. Step 4: Simplify right side
    64,459.48x = 4,433,697,295.85
  5. Step 5: Solve for x
    x = 4,433,697,295.85/64,459.48
  6. Step 6: Final answer
    x = 68,782.70

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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.