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Finding the Fourth Proportional to 71,607.26, 98,807.04 and 41,386.74

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Solution

The fourth proportional to 71,607.26, 98,807.04 and 41,386.74 is: 57,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,607.26 : 98,807.04 = 41,386.74 : x
  2. Step 2: Convert to fraction form
    71,607.26/98,807.04 = 41,386.74/x
  3. Step 3: Cross multiply
    71,607.26x = 98,807.04 × 41,386.74
  4. Step 4: Simplify right side
    71,607.26x = 4,089,301,274.65
  5. Step 5: Solve for x
    x = 4,089,301,274.65/71,607.26
  6. Step 6: Final answer
    x = 57,107.36

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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.