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Finding the Fourth Proportional to 25,798.61, 38,697.86 and 17,031.44

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Solution

The fourth proportional to 25,798.61, 38,697.86 and 17,031.44 is: 25,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,798.61 : 38,697.86 = 17,031.44 : x
  2. Step 2: Convert to fraction form
    25,798.61/38,697.86 = 17,031.44/x
  3. Step 3: Cross multiply
    25,798.61x = 38,697.86 × 17,031.44
  4. Step 4: Simplify right side
    25,798.61x = 659,080,002.07
  5. Step 5: Solve for x
    x = 659,080,002.07/25,798.61
  6. Step 6: Final answer
    x = 25,547.12

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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.