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Finding the Fourth Proportional to 9,047.42, 13,482.28 and 8,750.12

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Solution

The fourth proportional to 9,047.42, 13,482.28 and 8,750.12 is: 13,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047.42 : 13,482.28 = 8,750.12 : x
  2. Step 2: Convert to fraction form
    9,047.42/13,482.28 = 8,750.12/x
  3. Step 3: Cross multiply
    9,047.42x = 13,482.28 × 8,750.12
  4. Step 4: Simplify right side
    9,047.42x = 117,971,567.87
  5. Step 5: Solve for x
    x = 117,971,567.87/9,047.42
  6. Step 6: Final answer
    x = 13,039.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.