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Finding the Fourth Proportional to 93,825.87, 129,447.55 and 53,510.64

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Solution

The fourth proportional to 93,825.87, 129,447.55 and 53,510.64 is: 73,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,825.87 : 129,447.55 = 53,510.64 : x
  2. Step 2: Convert to fraction form
    93,825.87/129,447.55 = 53,510.64/x
  3. Step 3: Cross multiply
    93,825.87x = 129,447.55 × 53,510.64
  4. Step 4: Simplify right side
    93,825.87x = 6,926,821,246.93
  5. Step 5: Solve for x
    x = 6,926,821,246.93/93,825.87
  6. Step 6: Final answer
    x = 73,826.35

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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.