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Finding the Fourth Proportional to 25,800.63, 38,701.01 and 7,080.92

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Solution

The fourth proportional to 25,800.63, 38,701.01 and 7,080.92 is: 10,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.63 : 38,701.01 = 7,080.92 : x
  2. Step 2: Convert to fraction form
    25,800.63/38,701.01 = 7,080.92/x
  3. Step 3: Cross multiply
    25,800.63x = 38,701.01 × 7,080.92
  4. Step 4: Simplify right side
    25,800.63x = 274,038,526.82
  5. Step 5: Solve for x
    x = 274,038,526.82/25,800.63
  6. Step 6: Final answer
    x = 10,621.39

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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.