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Finding the Fourth Proportional to 27,804,543.80, 41,706,815.70 and 8,637,238.40

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Solution

The fourth proportional to 27,804,543.80, 41,706,815.70 and 8,637,238.40 is: 12,955,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804,543.80 : 41,706,815.70 = 8,637,238.40 : x
  2. Step 2: Convert to fraction form
    27,804,543.80/41,706,815.70 = 8,637,238.40/x
  3. Step 3: Cross multiply
    27,804,543.80x = 41,706,815.70 × 8,637,238.40
  4. Step 4: Simplify right side
    27,804,543.80x = 360,231,710,105,762.94
  5. Step 5: Solve for x
    x = 360,231,710,105,762.94/27,804,543.80
  6. Step 6: Final answer
    x = 12,955,857.60

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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.