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Finding the Fourth Proportional to 93,792.88, 129,446.52 and 53,497.40

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Solution

The fourth proportional to 93,792.88, 129,446.52 and 53,497.40 is: 73,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,792.88 : 129,446.52 = 53,497.40 : x
  2. Step 2: Convert to fraction form
    93,792.88/129,446.52 = 53,497.40/x
  3. Step 3: Cross multiply
    93,792.88x = 129,446.52 × 53,497.40
  4. Step 4: Simplify right side
    93,792.88x = 6,925,052,259.05
  5. Step 5: Solve for x
    x = 6,925,052,259.05/93,792.88
  6. Step 6: Final answer
    x = 73,833.46

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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.