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Finding the Fourth Proportional to 25,509,901.30, 38,264,851.95 and 25,509,901.30

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Solution

The fourth proportional to 25,509,901.30, 38,264,851.95 and 25,509,901.30 is: 38,264,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509,901.30 : 38,264,851.95 = 25,509,901.30 : x
  2. Step 2: Convert to fraction form
    25,509,901.30/38,264,851.95 = 25,509,901.30/x
  3. Step 3: Cross multiply
    25,509,901.30x = 38,264,851.95 × 25,509,901.30
  4. Step 4: Simplify right side
    25,509,901.30x = 976,132,596,503,612.62
  5. Step 5: Solve for x
    x = 976,132,596,503,612.62/25,509,901.30
  6. Step 6: Final answer
    x = 38,264,851.95

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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.