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Finding the Fourth Proportional to 13,289,427.40, 19,934,141.10 and 13,289,427.40

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Solution

The fourth proportional to 13,289,427.40, 19,934,141.10 and 13,289,427.40 is: 19,934,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,427.40 : 19,934,141.10 = 13,289,427.40 : x
  2. Step 2: Convert to fraction form
    13,289,427.40/19,934,141.10 = 13,289,427.40/x
  3. Step 3: Cross multiply
    13,289,427.40x = 19,934,141.10 × 13,289,427.40
  4. Step 4: Simplify right side
    13,289,427.40x = 264,913,320,929,806.16
  5. Step 5: Solve for x
    x = 264,913,320,929,806.16/13,289,427.40
  6. Step 6: Final answer
    x = 19,934,141.10

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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.