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Finding the Fourth Proportional to 69,671.78, 96,087.84 and 47,007.14

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Solution

The fourth proportional to 69,671.78, 96,087.84 and 47,007.14 is: 64,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,671.78 : 96,087.84 = 47,007.14 : x
  2. Step 2: Convert to fraction form
    69,671.78/96,087.84 = 47,007.14/x
  3. Step 3: Cross multiply
    69,671.78x = 96,087.84 × 47,007.14
  4. Step 4: Simplify right side
    69,671.78x = 4,516,814,547.18
  5. Step 5: Solve for x
    x = 4,516,814,547.18/69,671.78
  6. Step 6: Final answer
    x = 64,829.90

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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.