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Finding the Fourth Proportional to 8,968,853.30, 12,528,051.10 and 8,968,853.30

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Solution

The fourth proportional to 8,968,853.30, 12,528,051.10 and 8,968,853.30 is: 12,528,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968,853.30 : 12,528,051.10 = 8,968,853.30 : x
  2. Step 2: Convert to fraction form
    8,968,853.30/12,528,051.10 = 8,968,853.30/x
  3. Step 3: Cross multiply
    8,968,853.30x = 12,528,051.10 × 8,968,853.30
  4. Step 4: Simplify right side
    8,968,853.30x = 112,362,252,450,803.64
  5. Step 5: Solve for x
    x = 112,362,252,450,803.64/8,968,853.30
  6. Step 6: Final answer
    x = 12,528,051.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.