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Finding the Fourth Proportional to 64,615.40, 96,926.30 and 33,511.40

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Solution

The fourth proportional to 64,615.40, 96,926.30 and 33,511.40 is: 50,268.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,615.40 : 96,926.30 = 33,511.40 : x
  2. Step 2: Convert to fraction form
    64,615.40/96,926.30 = 33,511.40/x
  3. Step 3: Cross multiply
    64,615.40x = 96,926.30 × 33,511.40
  4. Step 4: Simplify right side
    64,615.40x = 3,248,136,009.82
  5. Step 5: Solve for x
    x = 3,248,136,009.82/64,615.40
  6. Step 6: Final answer
    x = 50,268.76

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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.