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Finding the Fourth Proportional to 6,176.40, 8,938.50 and 6,176.40

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Solution

The fourth proportional to 6,176.40, 8,938.50 and 6,176.40 is: 8,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,176.40 : 8,938.50 = 6,176.40 : x
  2. Step 2: Convert to fraction form
    6,176.40/8,938.50 = 6,176.40/x
  3. Step 3: Cross multiply
    6,176.40x = 8,938.50 × 6,176.40
  4. Step 4: Simplify right side
    6,176.40x = 55,207,751.40
  5. Step 5: Solve for x
    x = 55,207,751.40/6,176.40
  6. Step 6: Final answer
    x = 8,938.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.