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Finding the Fourth Proportional to 46,871.88, 64,615.92 and 33,419.82

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Solution

The fourth proportional to 46,871.88, 64,615.92 and 33,419.82 is: 46,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,871.88 : 64,615.92 = 33,419.82 : x
  2. Step 2: Convert to fraction form
    46,871.88/64,615.92 = 33,419.82/x
  3. Step 3: Cross multiply
    46,871.88x = 64,615.92 × 33,419.82
  4. Step 4: Simplify right side
    46,871.88x = 2,159,452,415.53
  5. Step 5: Solve for x
    x = 2,159,452,415.53/46,871.88
  6. Step 6: Final answer
    x = 46,071.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.