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Finding the Fourth Proportional to 1,762.47, 2,432.16 and 1,164.24

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Solution

The fourth proportional to 1,762.47, 2,432.16 and 1,164.24 is: 1,606.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.47 : 2,432.16 = 1,164.24 : x
  2. Step 2: Convert to fraction form
    1,762.47/2,432.16 = 1,164.24/x
  3. Step 3: Cross multiply
    1,762.47x = 2,432.16 × 1,164.24
  4. Step 4: Simplify right side
    1,762.47x = 2,831,617.96
  5. Step 5: Solve for x
    x = 2,831,617.96/1,762.47
  6. Step 6: Final answer
    x = 1,606.62

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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.