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Finding the Fourth Proportional to 58,984.72, 81,398.28 and 33,838.16

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Solution

The fourth proportional to 58,984.72, 81,398.28 and 33,838.16 is: 46,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,984.72 : 81,398.28 = 33,838.16 : x
  2. Step 2: Convert to fraction form
    58,984.72/81,398.28 = 33,838.16/x
  3. Step 3: Cross multiply
    58,984.72x = 81,398.28 × 33,838.16
  4. Step 4: Simplify right side
    58,984.72x = 2,754,368,022.36
  5. Step 5: Solve for x
    x = 2,754,368,022.36/58,984.72
  6. Step 6: Final answer
    x = 46,696.30

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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.