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Finding the Fourth Proportional to 58,458, 87,637.78 and 23,378.52

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Solution

The fourth proportional to 58,458, 87,637.78 and 23,378.52 is: 35,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,458 : 87,637.78 = 23,378.52 : x
  2. Step 2: Convert to fraction form
    58,458/87,637.78 = 23,378.52/x
  3. Step 3: Cross multiply
    58,458x = 87,637.78 × 23,378.52
  4. Step 4: Simplify right side
    58,458x = 2,048,841,592.49
  5. Step 5: Solve for x
    x = 2,048,841,592.49/58,458
  6. Step 6: Final answer
    x = 35,048.10

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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.