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Finding the Fourth Proportional to 65,011.52, 97,520.93 and 18,260.75

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Solution

The fourth proportional to 65,011.52, 97,520.93 and 18,260.75 is: 27,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,011.52 : 97,520.93 = 18,260.75 : x
  2. Step 2: Convert to fraction form
    65,011.52/97,520.93 = 18,260.75/x
  3. Step 3: Cross multiply
    65,011.52x = 97,520.93 × 18,260.75
  4. Step 4: Simplify right side
    65,011.52x = 1,780,805,322.50
  5. Step 5: Solve for x
    x = 1,780,805,322.50/65,011.52
  6. Step 6: Final answer
    x = 27,392.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.