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Finding the Fourth Proportional to 15,071.63, 22,632.95 and 9,815.54

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Solution

The fourth proportional to 15,071.63, 22,632.95 and 9,815.54 is: 14,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071.63 : 22,632.95 = 9,815.54 : x
  2. Step 2: Convert to fraction form
    15,071.63/22,632.95 = 9,815.54/x
  3. Step 3: Cross multiply
    15,071.63x = 22,632.95 × 9,815.54
  4. Step 4: Simplify right side
    15,071.63x = 222,154,537.42
  5. Step 5: Solve for x
    x = 222,154,537.42/15,071.63
  6. Step 6: Final answer
    x = 14,739.92

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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.