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Finding the Fourth Proportional to 7,047.59, 10,565.90 and 2,888.64

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Solution

The fourth proportional to 7,047.59, 10,565.90 and 2,888.64 is: 4,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.59 : 10,565.90 = 2,888.64 : x
  2. Step 2: Convert to fraction form
    7,047.59/10,565.90 = 2,888.64/x
  3. Step 3: Cross multiply
    7,047.59x = 10,565.90 × 2,888.64
  4. Step 4: Simplify right side
    7,047.59x = 30,521,066.93
  5. Step 5: Solve for x
    x = 30,521,066.93/7,047.59
  6. Step 6: Final answer
    x = 4,330.71

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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.