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Finding the Fourth Proportional to 54,353.64, 75,008.76 and 32,840.40

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Solution

The fourth proportional to 54,353.64, 75,008.76 and 32,840.40 is: 45,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.64 : 75,008.76 = 32,840.40 : x
  2. Step 2: Convert to fraction form
    54,353.64/75,008.76 = 32,840.40/x
  3. Step 3: Cross multiply
    54,353.64x = 75,008.76 × 32,840.40
  4. Step 4: Simplify right side
    54,353.64x = 2,463,317,681.90
  5. Step 5: Solve for x
    x = 2,463,317,681.90/54,353.64
  6. Step 6: Final answer
    x = 45,320.20

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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.