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Finding the Fourth Proportional to 19,164,039.30, 28,746,058.95 and 19,164,039.30

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Solution

The fourth proportional to 19,164,039.30, 28,746,058.95 and 19,164,039.30 is: 28,746,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164,039.30 : 28,746,058.95 = 19,164,039.30 : x
  2. Step 2: Convert to fraction form
    19,164,039.30/28,746,058.95 = 19,164,039.30/x
  3. Step 3: Cross multiply
    19,164,039.30x = 28,746,058.95 × 19,164,039.30
  4. Step 4: Simplify right side
    19,164,039.30x = 550,890,603,437,916.75
  5. Step 5: Solve for x
    x = 550,890,603,437,916.75/19,164,039.30
  6. Step 6: Final answer
    x = 28,746,058.95

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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.