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Finding the Fourth Proportional to 70,643.44, 97,483.48 and 65,000.96

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Solution

The fourth proportional to 70,643.44, 97,483.48 and 65,000.96 is: 89,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,643.44 : 97,483.48 = 65,000.96 : x
  2. Step 2: Convert to fraction form
    70,643.44/97,483.48 = 65,000.96/x
  3. Step 3: Cross multiply
    70,643.44x = 97,483.48 × 65,000.96
  4. Step 4: Simplify right side
    70,643.44x = 6,336,519,784.14
  5. Step 5: Solve for x
    x = 6,336,519,784.14/70,643.44
  6. Step 6: Final answer
    x = 89,697.21

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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.