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Finding the Fourth Proportional to 17,392,948.40, 26,064,539.40 and 12,808,218.80

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Solution

The fourth proportional to 17,392,948.40, 26,064,539.40 and 12,808,218.80 is: 19,194,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392,948.40 : 26,064,539.40 = 12,808,218.80 : x
  2. Step 2: Convert to fraction form
    17,392,948.40/26,064,539.40 = 12,808,218.80/x
  3. Step 3: Cross multiply
    17,392,948.40x = 26,064,539.40 × 12,808,218.80
  4. Step 4: Simplify right side
    17,392,948.40x = 333,840,323,556,420.75
  5. Step 5: Solve for x
    x = 333,840,323,556,420.75/17,392,948.40
  6. Step 6: Final answer
    x = 19,194,004.14

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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.