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Finding the Fourth Proportional to 6,347.10, 8,898.90 and 6,347.10

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Solution

The fourth proportional to 6,347.10, 8,898.90 and 6,347.10 is: 8,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.10 : 8,898.90 = 6,347.10 : x
  2. Step 2: Convert to fraction form
    6,347.10/8,898.90 = 6,347.10/x
  3. Step 3: Cross multiply
    6,347.10x = 8,898.90 × 6,347.10
  4. Step 4: Simplify right side
    6,347.10x = 56,482,208.19
  5. Step 5: Solve for x
    x = 56,482,208.19/6,347.10
  6. Step 6: Final answer
    x = 8,898.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.