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Finding the Fourth Proportional to 9,281.65, 12,808.62 and 5,032.67

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Solution

The fourth proportional to 9,281.65, 12,808.62 and 5,032.67 is: 6,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.65 : 12,808.62 = 5,032.67 : x
  2. Step 2: Convert to fraction form
    9,281.65/12,808.62 = 5,032.67/x
  3. Step 3: Cross multiply
    9,281.65x = 12,808.62 × 5,032.67
  4. Step 4: Simplify right side
    9,281.65x = 64,461,480.99
  5. Step 5: Solve for x
    x = 64,461,480.99/9,281.65
  6. Step 6: Final answer
    x = 6,945.05

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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.