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Finding the Fourth Proportional to 7,221.51, 9,960.35 and 4,566.35

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Solution

The fourth proportional to 7,221.51, 9,960.35 and 4,566.35 is: 6,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.51 : 9,960.35 = 4,566.35 : x
  2. Step 2: Convert to fraction form
    7,221.51/9,960.35 = 4,566.35/x
  3. Step 3: Cross multiply
    7,221.51x = 9,960.35 × 4,566.35
  4. Step 4: Simplify right side
    7,221.51x = 45,482,446.29
  5. Step 5: Solve for x
    x = 45,482,446.29/7,221.51
  6. Step 6: Final answer
    x = 6,298.19

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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.