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Finding the Fourth Proportional to 7,559.80, 10,411.02 and 5,460.60

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Solution

The fourth proportional to 7,559.80, 10,411.02 and 5,460.60 is: 7,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.80 : 10,411.02 = 5,460.60 : x
  2. Step 2: Convert to fraction form
    7,559.80/10,411.02 = 5,460.60/x
  3. Step 3: Cross multiply
    7,559.80x = 10,411.02 × 5,460.60
  4. Step 4: Simplify right side
    7,559.80x = 56,850,415.81
  5. Step 5: Solve for x
    x = 56,850,415.81/7,559.80
  6. Step 6: Final answer
    x = 7,520.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.