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Finding the Fourth Proportional to 6,913.35, 9,542.52 and 6,560.64

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Solution

The fourth proportional to 6,913.35, 9,542.52 and 6,560.64 is: 9,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.35 : 9,542.52 = 6,560.64 : x
  2. Step 2: Convert to fraction form
    6,913.35/9,542.52 = 6,560.64/x
  3. Step 3: Cross multiply
    6,913.35x = 9,542.52 × 6,560.64
  4. Step 4: Simplify right side
    6,913.35x = 62,605,038.41
  5. Step 5: Solve for x
    x = 62,605,038.41/6,913.35
  6. Step 6: Final answer
    x = 9,055.67

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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.