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Finding the Fourth Proportional to 52,340.32, 72,217 and 33,213.12

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Solution

The fourth proportional to 52,340.32, 72,217 and 33,213.12 is: 45,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,340.32 : 72,217 = 33,213.12 : x
  2. Step 2: Convert to fraction form
    52,340.32/72,217 = 33,213.12/x
  3. Step 3: Cross multiply
    52,340.32x = 72,217 × 33,213.12
  4. Step 4: Simplify right side
    52,340.32x = 2,398,551,887.04
  5. Step 5: Solve for x
    x = 2,398,551,887.04/52,340.32
  6. Step 6: Final answer
    x = 45,826.08

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Half scale
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Double scale
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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.