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Finding the Fourth Proportional to 12,854,729.80, 19,282,094.70 and 12,854,729.80

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Solution

The fourth proportional to 12,854,729.80, 19,282,094.70 and 12,854,729.80 is: 19,282,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854,729.80 : 19,282,094.70 = 12,854,729.80 : x
  2. Step 2: Convert to fraction form
    12,854,729.80/19,282,094.70 = 12,854,729.80/x
  3. Step 3: Cross multiply
    12,854,729.80x = 19,282,094.70 × 12,854,729.80
  4. Step 4: Simplify right side
    12,854,729.80x = 247,866,117,346,512.06
  5. Step 5: Solve for x
    x = 247,866,117,346,512.06/12,854,729.80
  6. Step 6: Final answer
    x = 19,282,094.70

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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.