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Finding the Fourth Proportional to 4,507.60, 6,216.60 and 4,245.16

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Solution

The fourth proportional to 4,507.60, 6,216.60 and 4,245.16 is: 5,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.60 : 6,216.60 = 4,245.16 : x
  2. Step 2: Convert to fraction form
    4,507.60/6,216.60 = 4,245.16/x
  3. Step 3: Cross multiply
    4,507.60x = 6,216.60 × 4,245.16
  4. Step 4: Simplify right side
    4,507.60x = 26,390,461.66
  5. Step 5: Solve for x
    x = 26,390,461.66/4,507.60
  6. Step 6: Final answer
    x = 5,854.66

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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.