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Finding the Fourth Proportional to 65,288.16, 97,930.08 and 28,352.16

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Solution

The fourth proportional to 65,288.16, 97,930.08 and 28,352.16 is: 42,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,288.16 : 97,930.08 = 28,352.16 : x
  2. Step 2: Convert to fraction form
    65,288.16/97,930.08 = 28,352.16/x
  3. Step 3: Cross multiply
    65,288.16x = 97,930.08 × 28,352.16
  4. Step 4: Simplify right side
    65,288.16x = 2,776,529,296.97
  5. Step 5: Solve for x
    x = 2,776,529,296.97/65,288.16
  6. Step 6: Final answer
    x = 42,527.30

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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.