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Finding the Fourth Proportional to 11,685,706.14, 17,528,033.30 and 7,849,145.02

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Solution

The fourth proportional to 11,685,706.14, 17,528,033.30 and 7,849,145.02 is: 11,773,364.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685,706.14 : 17,528,033.30 = 7,849,145.02 : x
  2. Step 2: Convert to fraction form
    11,685,706.14/17,528,033.30 = 7,849,145.02/x
  3. Step 3: Cross multiply
    11,685,706.14x = 17,528,033.30 × 7,849,145.02
  4. Step 4: Simplify right side
    11,685,706.14x = 137,580,075,287,089.16
  5. Step 5: Solve for x
    x = 137,580,075,287,089.16/11,685,706.14
  6. Step 6: Final answer
    x = 11,773,364.28

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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.