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Finding the Fourth Proportional to 25,892,461.60, 38,849,578.80 and 13,911,200.80

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Solution

The fourth proportional to 25,892,461.60, 38,849,578.80 and 13,911,200.80 is: 20,872,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,892,461.60 : 38,849,578.80 = 13,911,200.80 : x
  2. Step 2: Convert to fraction form
    25,892,461.60/38,849,578.80 = 13,911,200.80/x
  3. Step 3: Cross multiply
    25,892,461.60x = 38,849,578.80 × 13,911,200.80
  4. Step 4: Simplify right side
    25,892,461.60x = 540,444,291,682,223
  5. Step 5: Solve for x
    x = 540,444,291,682,223/25,892,461.60
  6. Step 6: Final answer
    x = 20,872,650.12

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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.