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Finding the Fourth Proportional to 7,080.79, 10,669.14 and 5,875.20

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Solution

The fourth proportional to 7,080.79, 10,669.14 and 5,875.20 is: 8,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.79 : 10,669.14 = 5,875.20 : x
  2. Step 2: Convert to fraction form
    7,080.79/10,669.14 = 5,875.20/x
  3. Step 3: Cross multiply
    7,080.79x = 10,669.14 × 5,875.20
  4. Step 4: Simplify right side
    7,080.79x = 62,683,323.98
  5. Step 5: Solve for x
    x = 62,683,323.98/7,080.79
  6. Step 6: Final answer
    x = 8,852.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.