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Finding the Fourth Proportional to 8,302.95, 12,461.72 and 4,609.35

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Solution

The fourth proportional to 8,302.95, 12,461.72 and 4,609.35 is: 6,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.95 : 12,461.72 = 4,609.35 : x
  2. Step 2: Convert to fraction form
    8,302.95/12,461.72 = 4,609.35/x
  3. Step 3: Cross multiply
    8,302.95x = 12,461.72 × 4,609.35
  4. Step 4: Simplify right side
    8,302.95x = 57,440,406.04
  5. Step 5: Solve for x
    x = 57,440,406.04/8,302.95
  6. Step 6: Final answer
    x = 6,918.07

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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.