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Finding the Fourth Proportional to 5,365.61, 7,404.41 and 2,975.60

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Solution

The fourth proportional to 5,365.61, 7,404.41 and 2,975.60 is: 4,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.61 : 7,404.41 = 2,975.60 : x
  2. Step 2: Convert to fraction form
    5,365.61/7,404.41 = 2,975.60/x
  3. Step 3: Cross multiply
    5,365.61x = 7,404.41 × 2,975.60
  4. Step 4: Simplify right side
    5,365.61x = 22,032,532.81
  5. Step 5: Solve for x
    x = 22,032,532.81/5,365.61
  6. Step 6: Final answer
    x = 4,106.25

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1.5x scale

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.