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Finding the Fourth Proportional to 15,946,925.80, 23,920,388.70 and 15,107,117.80

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Solution

The fourth proportional to 15,946,925.80, 23,920,388.70 and 15,107,117.80 is: 22,660,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946,925.80 : 23,920,388.70 = 15,107,117.80 : x
  2. Step 2: Convert to fraction form
    15,946,925.80/23,920,388.70 = 15,107,117.80/x
  3. Step 3: Cross multiply
    15,946,925.80x = 23,920,388.70 × 15,107,117.80
  4. Step 4: Simplify right side
    15,946,925.80x = 361,368,129,912,688.88
  5. Step 5: Solve for x
    x = 361,368,129,912,688.88/15,946,925.80
  6. Step 6: Final answer
    x = 22,660,676.70

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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.