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Finding the Fourth Proportional to 8,393,828.40, 12,596,963.40 and 6,154,340.40

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Solution

The fourth proportional to 8,393,828.40, 12,596,963.40 and 6,154,340.40 is: 9,236,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393,828.40 : 12,596,963.40 = 6,154,340.40 : x
  2. Step 2: Convert to fraction form
    8,393,828.40/12,596,963.40 = 6,154,340.40/x
  3. Step 3: Cross multiply
    8,393,828.40x = 12,596,963.40 × 6,154,340.40
  4. Step 4: Simplify right side
    8,393,828.40x = 77,526,000,769,941.36
  5. Step 5: Solve for x
    x = 77,526,000,769,941.36/8,393,828.40
  6. Step 6: Final answer
    x = 9,236,071.68

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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.