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Finding the Fourth Proportional to 62,622.74, 86,419.26 and 34,328.63

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Solution

The fourth proportional to 62,622.74, 86,419.26 and 34,328.63 is: 47,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,622.74 : 86,419.26 = 34,328.63 : x
  2. Step 2: Convert to fraction form
    62,622.74/86,419.26 = 34,328.63/x
  3. Step 3: Cross multiply
    62,622.74x = 86,419.26 × 34,328.63
  4. Step 4: Simplify right side
    62,622.74x = 2,966,655,017.46
  5. Step 5: Solve for x
    x = 2,966,655,017.46/62,622.74
  6. Step 6: Final answer
    x = 47,373.44

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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.