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Finding the Fourth Proportional to 69,478.66, 95,913.61 and 46,547.96

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Solution

The fourth proportional to 69,478.66, 95,913.61 and 46,547.96 is: 64,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,478.66 : 95,913.61 = 46,547.96 : x
  2. Step 2: Convert to fraction form
    69,478.66/95,913.61 = 46,547.96/x
  3. Step 3: Cross multiply
    69,478.66x = 95,913.61 × 46,547.96
  4. Step 4: Simplify right side
    69,478.66x = 4,464,582,881.74
  5. Step 5: Solve for x
    x = 4,464,582,881.74/69,478.66
  6. Step 6: Final answer
    x = 64,258.33

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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.