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Finding the Fourth Proportional to 67,356, 101,048.58 and 25,803

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Solution

The fourth proportional to 67,356, 101,048.58 and 25,803 is: 38,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,356 : 101,048.58 = 25,803 : x
  2. Step 2: Convert to fraction form
    67,356/101,048.58 = 25,803/x
  3. Step 3: Cross multiply
    67,356x = 101,048.58 × 25,803
  4. Step 4: Simplify right side
    67,356x = 2,607,356,509.74
  5. Step 5: Solve for x
    x = 2,607,356,509.74/67,356
  6. Step 6: Final answer
    x = 38,710.09

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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.