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Finding the Fourth Proportional to 5,971,547.16, 8,957,343.72 and 1,816,989.48

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Solution

The fourth proportional to 5,971,547.16, 8,957,343.72 and 1,816,989.48 is: 2,725,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971,547.16 : 8,957,343.72 = 1,816,989.48 : x
  2. Step 2: Convert to fraction form
    5,971,547.16/8,957,343.72 = 1,816,989.48/x
  3. Step 3: Cross multiply
    5,971,547.16x = 8,957,343.72 × 1,816,989.48
  4. Step 4: Simplify right side
    5,971,547.16x = 16,275,399,307,984.07
  5. Step 5: Solve for x
    x = 16,275,399,307,984.07/5,971,547.16
  6. Step 6: Final answer
    x = 2,725,491.21

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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.