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Finding the Fourth Proportional to 15,289.63, 22,931.98 and 4,193.74

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Solution

The fourth proportional to 15,289.63, 22,931.98 and 4,193.74 is: 6,289.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289.63 : 22,931.98 = 4,193.74 : x
  2. Step 2: Convert to fraction form
    15,289.63/22,931.98 = 4,193.74/x
  3. Step 3: Cross multiply
    15,289.63x = 22,931.98 × 4,193.74
  4. Step 4: Simplify right side
    15,289.63x = 96,170,795.71
  5. Step 5: Solve for x
    x = 96,170,795.71/15,289.63
  6. Step 6: Final answer
    x = 6,289.94

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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.