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Finding the Fourth Proportional to 25,304.40, 37,954.98 and 7,776

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Solution

The fourth proportional to 25,304.40, 37,954.98 and 7,776 is: 11,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,304.40 : 37,954.98 = 7,776 : x
  2. Step 2: Convert to fraction form
    25,304.40/37,954.98 = 7,776/x
  3. Step 3: Cross multiply
    25,304.40x = 37,954.98 × 7,776
  4. Step 4: Simplify right side
    25,304.40x = 295,137,924.48
  5. Step 5: Solve for x
    x = 295,137,924.48/25,304.40
  6. Step 6: Final answer
    x = 11,663.50

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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.