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Finding the Fourth Proportional to 15,574.80, 23,303.88 and 8,654.16

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Solution

The fourth proportional to 15,574.80, 23,303.88 and 8,654.16 is: 12,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.80 : 23,303.88 = 8,654.16 : x
  2. Step 2: Convert to fraction form
    15,574.80/23,303.88 = 8,654.16/x
  3. Step 3: Cross multiply
    15,574.80x = 23,303.88 × 8,654.16
  4. Step 4: Simplify right side
    15,574.80x = 201,675,506.14
  5. Step 5: Solve for x
    x = 201,675,506.14/15,574.80
  6. Step 6: Final answer
    x = 12,948.83

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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.