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Finding the Fourth Proportional to 4,706.48, 6,495 and 2,939.12

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Solution

The fourth proportional to 4,706.48, 6,495 and 2,939.12 is: 4,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,706.48 : 6,495 = 2,939.12 : x
  2. Step 2: Convert to fraction form
    4,706.48/6,495 = 2,939.12/x
  3. Step 3: Cross multiply
    4,706.48x = 6,495 × 2,939.12
  4. Step 4: Simplify right side
    4,706.48x = 19,089,551.93
  5. Step 5: Solve for x
    x = 19,089,551.93/4,706.48
  6. Step 6: Final answer
    x = 4,056.01

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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.