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Finding the Fourth Proportional to 58,504.46, 87,756.51 and 19,061.48

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Solution

The fourth proportional to 58,504.46, 87,756.51 and 19,061.48 is: 28,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,504.46 : 87,756.51 = 19,061.48 : x
  2. Step 2: Convert to fraction form
    58,504.46/87,756.51 = 19,061.48/x
  3. Step 3: Cross multiply
    58,504.46x = 87,756.51 × 19,061.48
  4. Step 4: Simplify right side
    58,504.46x = 1,672,768,960.23
  5. Step 5: Solve for x
    x = 1,672,768,960.23/58,504.46
  6. Step 6: Final answer
    x = 28,592.16

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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.