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Finding the Fourth Proportional to 16,230.40, 22,774.40 and 16,230.40

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Solution

The fourth proportional to 16,230.40, 22,774.40 and 16,230.40 is: 22,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.40 : 22,774.40 = 16,230.40 : x
  2. Step 2: Convert to fraction form
    16,230.40/22,774.40 = 16,230.40/x
  3. Step 3: Cross multiply
    16,230.40x = 22,774.40 × 16,230.40
  4. Step 4: Simplify right side
    16,230.40x = 369,637,621.76
  5. Step 5: Solve for x
    x = 369,637,621.76/16,230.40
  6. Step 6: Final answer
    x = 22,774.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.