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Finding the Fourth Proportional to 41,312,825.07, 61,966,995.89 and 12,556,718.48

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Solution

The fourth proportional to 41,312,825.07, 61,966,995.89 and 12,556,718.48 is: 18,834,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,312,825.07 : 61,966,995.89 = 12,556,718.48 : x
  2. Step 2: Convert to fraction form
    41,312,825.07/61,966,995.89 = 12,556,718.48/x
  3. Step 3: Cross multiply
    41,312,825.07x = 61,966,995.89 × 12,556,718.48
  4. Step 4: Simplify right side
    41,312,825.07x = 778,102,122,069,428.38
  5. Step 5: Solve for x
    x = 778,102,122,069,428.38/41,312,825.07
  6. Step 6: Final answer
    x = 18,834,396.36

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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.