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Finding the Fourth Proportional to 25,375,602.65, 35,017,393.50 and 13,772,918.84

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Solution

The fourth proportional to 25,375,602.65, 35,017,393.50 and 13,772,918.84 is: 19,006,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375,602.65 : 35,017,393.50 = 13,772,918.84 : x
  2. Step 2: Convert to fraction form
    25,375,602.65/35,017,393.50 = 13,772,918.84/x
  3. Step 3: Cross multiply
    25,375,602.65x = 35,017,393.50 × 13,772,918.84
  4. Step 4: Simplify right side
    25,375,602.65x = 482,291,718,488,756.62
  5. Step 5: Solve for x
    x = 482,291,718,488,756.62/25,375,602.65
  6. Step 6: Final answer
    x = 19,006,118.80

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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.