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Finding the Fourth Proportional to 15,453, 22,980.71 and 14,960.94

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Solution

The fourth proportional to 15,453, 22,980.71 and 14,960.94 is: 22,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453 : 22,980.71 = 14,960.94 : x
  2. Step 2: Convert to fraction form
    15,453/22,980.71 = 14,960.94/x
  3. Step 3: Cross multiply
    15,453x = 22,980.71 × 14,960.94
  4. Step 4: Simplify right side
    15,453x = 343,813,023.47
  5. Step 5: Solve for x
    x = 343,813,023.47/15,453
  6. Step 6: Final answer
    x = 22,248.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.