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Finding the Fourth Proportional to 71,582.59, 98,751.58 and 46,079.81

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Solution

The fourth proportional to 71,582.59, 98,751.58 and 46,079.81 is: 63,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,582.59 : 98,751.58 = 46,079.81 : x
  2. Step 2: Convert to fraction form
    71,582.59/98,751.58 = 46,079.81/x
  3. Step 3: Cross multiply
    71,582.59x = 98,751.58 × 46,079.81
  4. Step 4: Simplify right side
    71,582.59x = 4,550,454,043.60
  5. Step 5: Solve for x
    x = 4,550,454,043.60/71,582.59
  6. Step 6: Final answer
    x = 63,569.28

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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.