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Finding the Fourth Proportional to 18,692,570.40, 28,051,394.40 and 6,562,010.40

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Solution

The fourth proportional to 18,692,570.40, 28,051,394.40 and 6,562,010.40 is: 9,847,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692,570.40 : 28,051,394.40 = 6,562,010.40 : x
  2. Step 2: Convert to fraction form
    18,692,570.40/28,051,394.40 = 6,562,010.40/x
  3. Step 3: Cross multiply
    18,692,570.40x = 28,051,394.40 × 6,562,010.40
  4. Step 4: Simplify right side
    18,692,570.40x = 184,073,541,787,301.75
  5. Step 5: Solve for x
    x = 184,073,541,787,301.75/18,692,570.40
  6. Step 6: Final answer
    x = 9,847,417.33

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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.