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Finding the Fourth Proportional to 6,528.84, 9,027.53 and 6,423.34

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Solution

The fourth proportional to 6,528.84, 9,027.53 and 6,423.34 is: 8,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528.84 : 9,027.53 = 6,423.34 : x
  2. Step 2: Convert to fraction form
    6,528.84/9,027.53 = 6,423.34/x
  3. Step 3: Cross multiply
    6,528.84x = 9,027.53 × 6,423.34
  4. Step 4: Simplify right side
    6,528.84x = 57,986,894.55
  5. Step 5: Solve for x
    x = 57,986,894.55/6,528.84
  6. Step 6: Final answer
    x = 8,881.65

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Double scale
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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.