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Finding the Fourth Proportional to 39,293, 58,963.16 and 14,335.22

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Solution

The fourth proportional to 39,293, 58,963.16 and 14,335.22 is: 21,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,293 : 58,963.16 = 14,335.22 : x
  2. Step 2: Convert to fraction form
    39,293/58,963.16 = 14,335.22/x
  3. Step 3: Cross multiply
    39,293x = 58,963.16 × 14,335.22
  4. Step 4: Simplify right side
    39,293x = 845,249,870.50
  5. Step 5: Solve for x
    x = 845,249,870.50/39,293
  6. Step 6: Final answer
    x = 21,511.46

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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.