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Finding the Fourth Proportional to 53,904.48, 80,856.72 and 14,460.72

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Solution

The fourth proportional to 53,904.48, 80,856.72 and 14,460.72 is: 21,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,904.48 : 80,856.72 = 14,460.72 : x
  2. Step 2: Convert to fraction form
    53,904.48/80,856.72 = 14,460.72/x
  3. Step 3: Cross multiply
    53,904.48x = 80,856.72 × 14,460.72
  4. Step 4: Simplify right side
    53,904.48x = 1,169,246,388.04
  5. Step 5: Solve for x
    x = 1,169,246,388.04/53,904.48
  6. Step 6: Final answer
    x = 21,691.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.