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Finding the Fourth Proportional to 16,518.74, 22,788.42 and 9,804.65

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Solution

The fourth proportional to 16,518.74, 22,788.42 and 9,804.65 is: 13,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.74 : 22,788.42 = 9,804.65 : x
  2. Step 2: Convert to fraction form
    16,518.74/22,788.42 = 9,804.65/x
  3. Step 3: Cross multiply
    16,518.74x = 22,788.42 × 9,804.65
  4. Step 4: Simplify right side
    16,518.74x = 223,432,482.15
  5. Step 5: Solve for x
    x = 223,432,482.15/16,518.74
  6. Step 6: Final answer
    x = 13,526.00

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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.