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Finding the Fourth Proportional to 29,892,556.80, 44,838,835.20 and 19,688,889.60

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Solution

The fourth proportional to 29,892,556.80, 44,838,835.20 and 19,688,889.60 is: 29,533,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,892,556.80 : 44,838,835.20 = 19,688,889.60 : x
  2. Step 2: Convert to fraction form
    29,892,556.80/44,838,835.20 = 19,688,889.60/x
  3. Step 3: Cross multiply
    29,892,556.80x = 44,838,835.20 × 19,688,889.60
  4. Step 4: Simplify right side
    29,892,556.80x = 882,826,876,045,394
  5. Step 5: Solve for x
    x = 882,826,876,045,394/29,892,556.80
  6. Step 6: Final answer
    x = 29,533,334.40

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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.