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Finding the Fourth Proportional to 13,194,927.30, 19,792,390.95 and 13,194,927.30

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Solution

The fourth proportional to 13,194,927.30, 19,792,390.95 and 13,194,927.30 is: 19,792,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,927.30 : 19,792,390.95 = 13,194,927.30 : x
  2. Step 2: Convert to fraction form
    13,194,927.30/19,792,390.95 = 13,194,927.30/x
  3. Step 3: Cross multiply
    13,194,927.30x = 19,792,390.95 × 13,194,927.30
  4. Step 4: Simplify right side
    13,194,927.30x = 261,159,159,678,427.94
  5. Step 5: Solve for x
    x = 261,159,159,678,427.94/13,194,927.30
  6. Step 6: Final answer
    x = 19,792,390.95

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1.5x scale

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.