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Finding the Fourth Proportional to 58,052.17, 87,117.09 and 21,116.17

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Solution

The fourth proportional to 58,052.17, 87,117.09 and 21,116.17 is: 31,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,052.17 : 87,117.09 = 21,116.17 : x
  2. Step 2: Convert to fraction form
    58,052.17/87,117.09 = 21,116.17/x
  3. Step 3: Cross multiply
    58,052.17x = 87,117.09 × 21,116.17
  4. Step 4: Simplify right side
    58,052.17x = 1,839,579,282.35
  5. Step 5: Solve for x
    x = 1,839,579,282.35/58,052.17
  6. Step 6: Final answer
    x = 31,688.38

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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.