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Finding the Fourth Proportional to 58,063.17, 87,133.59 and 21,127.17

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Solution

The fourth proportional to 58,063.17, 87,133.59 and 21,127.17 is: 31,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,063.17 : 87,133.59 = 21,127.17 : x
  2. Step 2: Convert to fraction form
    58,063.17/87,133.59 = 21,127.17/x
  3. Step 3: Cross multiply
    58,063.17x = 87,133.59 × 21,127.17
  4. Step 4: Simplify right side
    58,063.17x = 1,840,886,168.64
  5. Step 5: Solve for x
    x = 1,840,886,168.64/58,063.17
  6. Step 6: Final answer
    x = 31,704.89

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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.