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Finding the Fourth Proportional to 16,642,698.60, 24,964,047.90 and 7,056,445.80

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Solution

The fourth proportional to 16,642,698.60, 24,964,047.90 and 7,056,445.80 is: 10,584,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642,698.60 : 24,964,047.90 = 7,056,445.80 : x
  2. Step 2: Convert to fraction form
    16,642,698.60/24,964,047.90 = 7,056,445.80/x
  3. Step 3: Cross multiply
    16,642,698.60x = 24,964,047.90 × 7,056,445.80
  4. Step 4: Simplify right side
    16,642,698.60x = 176,157,450,954,953.81
  5. Step 5: Solve for x
    x = 176,157,450,954,953.81/16,642,698.60
  6. Step 6: Final answer
    x = 10,584,668.70

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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.