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Finding the Fourth Proportional to 6,898.88, 9,526.08 and 4,545.60

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Solution

The fourth proportional to 6,898.88, 9,526.08 and 4,545.60 is: 6,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.88 : 9,526.08 = 4,545.60 : x
  2. Step 2: Convert to fraction form
    6,898.88/9,526.08 = 4,545.60/x
  3. Step 3: Cross multiply
    6,898.88x = 9,526.08 × 4,545.60
  4. Step 4: Simplify right side
    6,898.88x = 43,301,749.25
  5. Step 5: Solve for x
    x = 43,301,749.25/6,898.88
  6. Step 6: Final answer
    x = 6,276.63

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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.