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Finding the Fourth Proportional to 17,644,826.40, 26,467,239.60 and 16,898,330.40

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Solution

The fourth proportional to 17,644,826.40, 26,467,239.60 and 16,898,330.40 is: 25,347,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,644,826.40 : 26,467,239.60 = 16,898,330.40 : x
  2. Step 2: Convert to fraction form
    17,644,826.40/26,467,239.60 = 16,898,330.40/x
  3. Step 3: Cross multiply
    17,644,826.40x = 26,467,239.60 × 16,898,330.40
  4. Step 4: Simplify right side
    17,644,826.40x = 447,252,159,536,763.81
  5. Step 5: Solve for x
    x = 447,252,159,536,763.81/17,644,826.40
  6. Step 6: Final answer
    x = 25,347,495.60

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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.