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Finding the Fourth Proportional to 14,095,539.20, 19,691,239.60 and 14,095,539.20

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Solution

The fourth proportional to 14,095,539.20, 19,691,239.60 and 14,095,539.20 is: 19,691,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095,539.20 : 19,691,239.60 = 14,095,539.20 : x
  2. Step 2: Convert to fraction form
    14,095,539.20/19,691,239.60 = 14,095,539.20/x
  3. Step 3: Cross multiply
    14,095,539.20x = 19,691,239.60 × 14,095,539.20
  4. Step 4: Simplify right side
    14,095,539.20x = 277,558,639,678,392.31
  5. Step 5: Solve for x
    x = 277,558,639,678,392.31/14,095,539.20
  6. Step 6: Final answer
    x = 19,691,239.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.