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Finding the Fourth Proportional to 16,575, 22,873.66 and 9,123.16

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Solution

The fourth proportional to 16,575, 22,873.66 and 9,123.16 is: 12,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,575 : 22,873.66 = 9,123.16 : x
  2. Step 2: Convert to fraction form
    16,575/22,873.66 = 9,123.16/x
  3. Step 3: Cross multiply
    16,575x = 22,873.66 × 9,123.16
  4. Step 4: Simplify right side
    16,575x = 208,680,059.97
  5. Step 5: Solve for x
    x = 208,680,059.97/16,575
  6. Step 6: Final answer
    x = 12,590.05

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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.