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Finding the Fourth Proportional to 16,376.40, 24,564.60 and 15,890.40

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Solution

The fourth proportional to 16,376.40, 24,564.60 and 15,890.40 is: 23,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,376.40 : 24,564.60 = 15,890.40 : x
  2. Step 2: Convert to fraction form
    16,376.40/24,564.60 = 15,890.40/x
  3. Step 3: Cross multiply
    16,376.40x = 24,564.60 × 15,890.40
  4. Step 4: Simplify right side
    16,376.40x = 390,341,319.84
  5. Step 5: Solve for x
    x = 390,341,319.84/16,376.40
  6. Step 6: Final answer
    x = 23,835.60

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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.