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Finding the Fourth Proportional to 58,549.76, 87,838.61 and 19,106.94

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Solution

The fourth proportional to 58,549.76, 87,838.61 and 19,106.94 is: 28,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,549.76 : 87,838.61 = 19,106.94 : x
  2. Step 2: Convert to fraction form
    58,549.76/87,838.61 = 19,106.94/x
  3. Step 3: Cross multiply
    58,549.76x = 87,838.61 × 19,106.94
  4. Step 4: Simplify right side
    58,549.76x = 1,678,326,955.42
  5. Step 5: Solve for x
    x = 1,678,326,955.42/58,549.76
  6. Step 6: Final answer
    x = 28,664.97

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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.