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Finding the Fourth Proportional to 62,281, 85,949.61 and 33,988.51

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Solution

The fourth proportional to 62,281, 85,949.61 and 33,988.51 is: 46,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,281 : 85,949.61 = 33,988.51 : x
  2. Step 2: Convert to fraction form
    62,281/85,949.61 = 33,988.51/x
  3. Step 3: Cross multiply
    62,281x = 85,949.61 × 33,988.51
  4. Step 4: Simplify right side
    62,281x = 2,921,299,178.98
  5. Step 5: Solve for x
    x = 2,921,299,178.98/62,281
  6. Step 6: Final answer
    x = 46,905.14

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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.