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Finding the Fourth Proportional to 9,065.48, 13,594.88 and 3,140.88

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Solution

The fourth proportional to 9,065.48, 13,594.88 and 3,140.88 is: 4,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.48 : 13,594.88 = 3,140.88 : x
  2. Step 2: Convert to fraction form
    9,065.48/13,594.88 = 3,140.88/x
  3. Step 3: Cross multiply
    9,065.48x = 13,594.88 × 3,140.88
  4. Step 4: Simplify right side
    9,065.48x = 42,699,886.69
  5. Step 5: Solve for x
    x = 42,699,886.69/9,065.48
  6. Step 6: Final answer
    x = 4,710.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.