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Finding the Fourth Proportional to 25,520.16, 38,275.92 and 7,052.16

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Solution

The fourth proportional to 25,520.16, 38,275.92 and 7,052.16 is: 10,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,520.16 : 38,275.92 = 7,052.16 : x
  2. Step 2: Convert to fraction form
    25,520.16/38,275.92 = 7,052.16/x
  3. Step 3: Cross multiply
    25,520.16x = 38,275.92 × 7,052.16
  4. Step 4: Simplify right side
    25,520.16x = 269,927,911.99
  5. Step 5: Solve for x
    x = 269,927,911.99/25,520.16
  6. Step 6: Final answer
    x = 10,577.05

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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.