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Finding the Fourth Proportional to 8,798,645.93, 12,142,607.28 and 4,932,409.01

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Solution

The fourth proportional to 8,798,645.93, 12,142,607.28 and 4,932,409.01 is: 6,806,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798,645.93 : 12,142,607.28 = 4,932,409.01 : x
  2. Step 2: Convert to fraction form
    8,798,645.93/12,142,607.28 = 4,932,409.01/x
  3. Step 3: Cross multiply
    8,798,645.93x = 12,142,607.28 × 4,932,409.01
  4. Step 4: Simplify right side
    8,798,645.93x = 59,892,305,552,763.59
  5. Step 5: Solve for x
    x = 59,892,305,552,763.59/8,798,645.93
  6. Step 6: Final answer
    x = 6,806,991.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.