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Finding the Fourth Proportional to 25,316.78, 37,985.26 and 9,730.22

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Solution

The fourth proportional to 25,316.78, 37,985.26 and 9,730.22 is: 14,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.78 : 37,985.26 = 9,730.22 : x
  2. Step 2: Convert to fraction form
    25,316.78/37,985.26 = 9,730.22/x
  3. Step 3: Cross multiply
    25,316.78x = 37,985.26 × 9,730.22
  4. Step 4: Simplify right side
    25,316.78x = 369,604,936.56
  5. Step 5: Solve for x
    x = 369,604,936.56/25,316.78
  6. Step 6: Final answer
    x = 14,599.21

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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.