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Finding the Fourth Proportional to 68,948.76, 95,185.62 and 46,406.28

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Solution

The fourth proportional to 68,948.76, 95,185.62 and 46,406.28 is: 64,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,948.76 : 95,185.62 = 46,406.28 : x
  2. Step 2: Convert to fraction form
    68,948.76/95,185.62 = 46,406.28/x
  3. Step 3: Cross multiply
    68,948.76x = 95,185.62 × 46,406.28
  4. Step 4: Simplify right side
    68,948.76x = 4,417,210,533.69
  5. Step 5: Solve for x
    x = 4,417,210,533.69/68,948.76
  6. Step 6: Final answer
    x = 64,065.12

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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.