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Finding the Fourth Proportional to 69,754.68, 96,282.54 and 47,411.64

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Solution

The fourth proportional to 69,754.68, 96,282.54 and 47,411.64 is: 65,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,754.68 : 96,282.54 = 47,411.64 : x
  2. Step 2: Convert to fraction form
    69,754.68/96,282.54 = 47,411.64/x
  3. Step 3: Cross multiply
    69,754.68x = 96,282.54 × 47,411.64
  4. Step 4: Simplify right side
    69,754.68x = 4,564,913,124.77
  5. Step 5: Solve for x
    x = 4,564,913,124.77/69,754.68
  6. Step 6: Final answer
    x = 65,442.39

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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.