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Finding the Fourth Proportional to 8,741.62, 12,063 and 4,762.50

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Solution

The fourth proportional to 8,741.62, 12,063 and 4,762.50 is: 6,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.62 : 12,063 = 4,762.50 : x
  2. Step 2: Convert to fraction form
    8,741.62/12,063 = 4,762.50/x
  3. Step 3: Cross multiply
    8,741.62x = 12,063 × 4,762.50
  4. Step 4: Simplify right side
    8,741.62x = 57,450,037.50
  5. Step 5: Solve for x
    x = 57,450,037.50/8,741.62
  6. Step 6: Final answer
    x = 6,572.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.