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Finding the Fourth Proportional to 58,283.76, 80,428.62 and 35,618.28

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Solution

The fourth proportional to 58,283.76, 80,428.62 and 35,618.28 is: 49,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,283.76 : 80,428.62 = 35,618.28 : x
  2. Step 2: Convert to fraction form
    58,283.76/80,428.62 = 35,618.28/x
  3. Step 3: Cross multiply
    58,283.76x = 80,428.62 × 35,618.28
  4. Step 4: Simplify right side
    58,283.76x = 2,864,729,107.17
  5. Step 5: Solve for x
    x = 2,864,729,107.17/58,283.76
  6. Step 6: Final answer
    x = 49,151.41

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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.