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Finding the Fourth Proportional to 24,415.40, 36,623.10 and 15,624.20

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Solution

The fourth proportional to 24,415.40, 36,623.10 and 15,624.20 is: 23,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,415.40 : 36,623.10 = 15,624.20 : x
  2. Step 2: Convert to fraction form
    24,415.40/36,623.10 = 15,624.20/x
  3. Step 3: Cross multiply
    24,415.40x = 36,623.10 × 15,624.20
  4. Step 4: Simplify right side
    24,415.40x = 572,206,639.02
  5. Step 5: Solve for x
    x = 572,206,639.02/24,415.40
  6. Step 6: Final answer
    x = 23,436.30

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Double scale
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Similar ratio
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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.