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Finding the Fourth Proportional to 32,742.42, 45,182.47 and 19,314.22

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Solution

The fourth proportional to 32,742.42, 45,182.47 and 19,314.22 is: 26,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,742.42 : 45,182.47 = 19,314.22 : x
  2. Step 2: Convert to fraction form
    32,742.42/45,182.47 = 19,314.22/x
  3. Step 3: Cross multiply
    32,742.42x = 45,182.47 × 19,314.22
  4. Step 4: Simplify right side
    32,742.42x = 872,664,165.72
  5. Step 5: Solve for x
    x = 872,664,165.72/32,742.42
  6. Step 6: Final answer
    x = 26,652.40

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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.