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Finding the Fourth Proportional to 6,971,995.60, 10,429,999.80 and 6,035,765.20

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Solution

The fourth proportional to 6,971,995.60, 10,429,999.80 and 6,035,765.20 is: 9,029,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971,995.60 : 10,429,999.80 = 6,035,765.20 : x
  2. Step 2: Convert to fraction form
    6,971,995.60/10,429,999.80 = 6,035,765.20/x
  3. Step 3: Cross multiply
    6,971,995.60x = 10,429,999.80 × 6,035,765.20
  4. Step 4: Simplify right side
    6,971,995.60x = 62,953,029,828,846.97
  5. Step 5: Solve for x
    x = 62,953,029,828,846.97/6,971,995.60
  6. Step 6: Final answer
    x = 9,029,413.30

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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.