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Finding the Fourth Proportional to 29,915,566.80, 44,841,857.40 and 11,712,728.40

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Solution

The fourth proportional to 29,915,566.80, 44,841,857.40 and 11,712,728.40 is: 17,556,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,915,566.80 : 44,841,857.40 = 11,712,728.40 : x
  2. Step 2: Convert to fraction form
    29,915,566.80/44,841,857.40 = 11,712,728.40/x
  3. Step 3: Cross multiply
    29,915,566.80x = 44,841,857.40 × 11,712,728.40
  4. Step 4: Simplify right side
    29,915,566.80x = 525,220,496,677,730.19
  5. Step 5: Solve for x
    x = 525,220,496,677,730.19/29,915,566.80
  6. Step 6: Final answer
    x = 17,556,762.34

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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.