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Finding the Fourth Proportional to 15,591.61, 23,384.59 and 4,495.57

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Solution

The fourth proportional to 15,591.61, 23,384.59 and 4,495.57 is: 6,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,591.61 : 23,384.59 = 4,495.57 : x
  2. Step 2: Convert to fraction form
    15,591.61/23,384.59 = 4,495.57/x
  3. Step 3: Cross multiply
    15,591.61x = 23,384.59 × 4,495.57
  4. Step 4: Simplify right side
    15,591.61x = 105,126,944.34
  5. Step 5: Solve for x
    x = 105,126,944.34/15,591.61
  6. Step 6: Final answer
    x = 6,742.54

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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.