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Finding the Fourth Proportional to 34,995,253.20, 52,492,879.80 and 19,626,766.80

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Solution

The fourth proportional to 34,995,253.20, 52,492,879.80 and 19,626,766.80 is: 29,440,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,995,253.20 : 52,492,879.80 = 19,626,766.80 : x
  2. Step 2: Convert to fraction form
    34,995,253.20/52,492,879.80 = 19,626,766.80/x
  3. Step 3: Cross multiply
    34,995,253.20x = 52,492,879.80 × 19,626,766.80
  4. Step 4: Simplify right side
    34,995,253.20x = 1,030,265,510,495,030.62
  5. Step 5: Solve for x
    x = 1,030,265,510,495,030.62/34,995,253.20
  6. Step 6: Final answer
    x = 29,440,150.20

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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.