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Finding the Fourth Proportional to 53,533.08, 73,876.18 and 29,660.08

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Solution

The fourth proportional to 53,533.08, 73,876.18 and 29,660.08 is: 40,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,533.08 : 73,876.18 = 29,660.08 : x
  2. Step 2: Convert to fraction form
    53,533.08/73,876.18 = 29,660.08/x
  3. Step 3: Cross multiply
    53,533.08x = 73,876.18 × 29,660.08
  4. Step 4: Simplify right side
    53,533.08x = 2,191,173,408.89
  5. Step 5: Solve for x
    x = 2,191,173,408.89/53,533.08
  6. Step 6: Final answer
    x = 40,931.20

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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.