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Finding the Fourth Proportional to 12,362,707.10, 18,544,060.65 and 8,583,571.10

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Solution

The fourth proportional to 12,362,707.10, 18,544,060.65 and 8,583,571.10 is: 12,875,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362,707.10 : 18,544,060.65 = 8,583,571.10 : x
  2. Step 2: Convert to fraction form
    12,362,707.10/18,544,060.65 = 8,583,571.10/x
  3. Step 3: Cross multiply
    12,362,707.10x = 18,544,060.65 × 8,583,571.10
  4. Step 4: Simplify right side
    12,362,707.10x = 159,174,263,071,987.19
  5. Step 5: Solve for x
    x = 159,174,263,071,987.19/12,362,707.10
  6. Step 6: Final answer
    x = 12,875,356.65

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Similar ratio
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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.