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Finding the Fourth Proportional to 45,393.69, 62,643.29 and 25,521.69

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Solution

The fourth proportional to 45,393.69, 62,643.29 and 25,521.69 is: 35,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,393.69 : 62,643.29 = 25,521.69 : x
  2. Step 2: Convert to fraction form
    45,393.69/62,643.29 = 25,521.69/x
  3. Step 3: Cross multiply
    45,393.69x = 62,643.29 × 25,521.69
  4. Step 4: Simplify right side
    45,393.69x = 1,598,762,627.96
  5. Step 5: Solve for x
    x = 1,598,762,627.96/45,393.69
  6. Step 6: Final answer
    x = 35,219.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.