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Finding the Fourth Proportional to 25,843,896.90, 38,742,381.90 and 12,894,008.36

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Solution

The fourth proportional to 25,843,896.90, 38,742,381.90 and 12,894,008.36 is: 19,329,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,843,896.90 : 38,742,381.90 = 12,894,008.36 : x
  2. Step 2: Convert to fraction form
    25,843,896.90/38,742,381.90 = 12,894,008.36/x
  3. Step 3: Cross multiply
    25,843,896.90x = 38,742,381.90 × 12,894,008.36
  4. Step 4: Simplify right side
    25,843,896.90x = 499,544,595,911,200.75
  5. Step 5: Solve for x
    x = 499,544,595,911,200.75/25,843,896.90
  6. Step 6: Final answer
    x = 19,329,306.17

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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.