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Finding the Fourth Proportional to 7,148.04, 10,707.12 and 7,060.56

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Solution

The fourth proportional to 7,148.04, 10,707.12 and 7,060.56 is: 10,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.04 : 10,707.12 = 7,060.56 : x
  2. Step 2: Convert to fraction form
    7,148.04/10,707.12 = 7,060.56/x
  3. Step 3: Cross multiply
    7,148.04x = 10,707.12 × 7,060.56
  4. Step 4: Simplify right side
    7,148.04x = 75,598,263.19
  5. Step 5: Solve for x
    x = 75,598,263.19/7,148.04
  6. Step 6: Final answer
    x = 10,576.08

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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.