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Finding the Fourth Proportional to 39,482.64, 54,484.40 and 23,360.40

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Solution

The fourth proportional to 39,482.64, 54,484.40 and 23,360.40 is: 32,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,482.64 : 54,484.40 = 23,360.40 : x
  2. Step 2: Convert to fraction form
    39,482.64/54,484.40 = 23,360.40/x
  3. Step 3: Cross multiply
    39,482.64x = 54,484.40 × 23,360.40
  4. Step 4: Simplify right side
    39,482.64x = 1,272,777,377.76
  5. Step 5: Solve for x
    x = 1,272,777,377.76/39,482.64
  6. Step 6: Final answer
    x = 32,236.38

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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.