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Finding the Fourth Proportional to 8,508.47, 12,762.72 and 4,637.48

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Solution

The fourth proportional to 8,508.47, 12,762.72 and 4,637.48 is: 6,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.47 : 12,762.72 = 4,637.48 : x
  2. Step 2: Convert to fraction form
    8,508.47/12,762.72 = 4,637.48/x
  3. Step 3: Cross multiply
    8,508.47x = 12,762.72 × 4,637.48
  4. Step 4: Simplify right side
    8,508.47x = 59,186,794.93
  5. Step 5: Solve for x
    x = 59,186,794.93/8,508.47
  6. Step 6: Final answer
    x = 6,956.22

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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.