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Finding the Fourth Proportional to 7,574.50, 10,453.22 and 4,432.51

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Solution

The fourth proportional to 7,574.50, 10,453.22 and 4,432.51 is: 6,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.50 : 10,453.22 = 4,432.51 : x
  2. Step 2: Convert to fraction form
    7,574.50/10,453.22 = 4,432.51/x
  3. Step 3: Cross multiply
    7,574.50x = 10,453.22 × 4,432.51
  4. Step 4: Simplify right side
    7,574.50x = 46,334,002.18
  5. Step 5: Solve for x
    x = 46,334,002.18/7,574.50
  6. Step 6: Final answer
    x = 6,117.10

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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.