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Finding the Fourth Proportional to 17,977,392.87, 24,808,803.02 and 9,717,428.08

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Solution

The fourth proportional to 17,977,392.87, 24,808,803.02 and 9,717,428.08 is: 13,410,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977,392.87 : 24,808,803.02 = 9,717,428.08 : x
  2. Step 2: Convert to fraction form
    17,977,392.87/24,808,803.02 = 9,717,428.08/x
  3. Step 3: Cross multiply
    17,977,392.87x = 24,808,803.02 × 9,717,428.08
  4. Step 4: Simplify right side
    17,977,392.87x = 241,077,759,097,736.81
  5. Step 5: Solve for x
    x = 241,077,759,097,736.81/17,977,392.87
  6. Step 6: Final answer
    x = 13,410,051.21

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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.