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Finding the Fourth Proportional to 40,531, 55,931.68 and 22,625.52

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Solution

The fourth proportional to 40,531, 55,931.68 and 22,625.52 is: 31,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,531 : 55,931.68 = 22,625.52 : x
  2. Step 2: Convert to fraction form
    40,531/55,931.68 = 22,625.52/x
  3. Step 3: Cross multiply
    40,531x = 55,931.68 × 22,625.52
  4. Step 4: Simplify right side
    40,531x = 1,265,483,344.47
  5. Step 5: Solve for x
    x = 1,265,483,344.47/40,531
  6. Step 6: Final answer
    x = 31,222.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.