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Finding the Fourth Proportional to 22,497.40, 33,746.10 and 18,123.40

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Solution

The fourth proportional to 22,497.40, 33,746.10 and 18,123.40 is: 27,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.40 : 33,746.10 = 18,123.40 : x
  2. Step 2: Convert to fraction form
    22,497.40/33,746.10 = 18,123.40/x
  3. Step 3: Cross multiply
    22,497.40x = 33,746.10 × 18,123.40
  4. Step 4: Simplify right side
    22,497.40x = 611,594,068.74
  5. Step 5: Solve for x
    x = 611,594,068.74/22,497.40
  6. Step 6: Final answer
    x = 27,185.10

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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.