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Finding the Fourth Proportional to 65,267.57, 90,071.08 and 36,973.26

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Solution

The fourth proportional to 65,267.57, 90,071.08 and 36,973.26 is: 51,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,267.57 : 90,071.08 = 36,973.26 : x
  2. Step 2: Convert to fraction form
    65,267.57/90,071.08 = 36,973.26/x
  3. Step 3: Cross multiply
    65,267.57x = 90,071.08 × 36,973.26
  4. Step 4: Simplify right side
    65,267.57x = 3,330,221,459.32
  5. Step 5: Solve for x
    x = 3,330,221,459.32/65,267.57
  6. Step 6: Final answer
    x = 51,024.14

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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.