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Finding the Fourth Proportional to 60,464.88, 90,710.28 and 25,386.48

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Solution

The fourth proportional to 60,464.88, 90,710.28 and 25,386.48 is: 38,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,464.88 : 90,710.28 = 25,386.48 : x
  2. Step 2: Convert to fraction form
    60,464.88/90,710.28 = 25,386.48/x
  3. Step 3: Cross multiply
    60,464.88x = 90,710.28 × 25,386.48
  4. Step 4: Simplify right side
    60,464.88x = 2,302,814,709.01
  5. Step 5: Solve for x
    x = 2,302,814,709.01/60,464.88
  6. Step 6: Final answer
    x = 38,085.16

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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.