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Finding the Fourth Proportional to 16,616,615.20, 24,924,922.80 and 10,234,074.40

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Solution

The fourth proportional to 16,616,615.20, 24,924,922.80 and 10,234,074.40 is: 15,351,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,616,615.20 : 24,924,922.80 = 10,234,074.40 : x
  2. Step 2: Convert to fraction form
    16,616,615.20/24,924,922.80 = 10,234,074.40/x
  3. Step 3: Cross multiply
    16,616,615.20x = 24,924,922.80 × 10,234,074.40
  4. Step 4: Simplify right side
    16,616,615.20x = 255,083,514,349,456.34
  5. Step 5: Solve for x
    x = 255,083,514,349,456.34/16,616,615.20
  6. Step 6: Final answer
    x = 15,351,111.60

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1.5x scale

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.