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Finding the Fourth Proportional to 6,313,526.55, 8,710,681.21 and 3,863,583.54

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Solution

The fourth proportional to 6,313,526.55, 8,710,681.21 and 3,863,583.54 is: 5,330,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313,526.55 : 8,710,681.21 = 3,863,583.54 : x
  2. Step 2: Convert to fraction form
    6,313,526.55/8,710,681.21 = 3,863,583.54/x
  3. Step 3: Cross multiply
    6,313,526.55x = 8,710,681.21 × 3,863,583.54
  4. Step 4: Simplify right side
    6,313,526.55x = 33,654,444,535,484.32
  5. Step 5: Solve for x
    x = 33,654,444,535,484.32/6,313,526.55
  6. Step 6: Final answer
    x = 5,330,530.29

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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.