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Finding the Fourth Proportional to 46,989.84, 64,840.86 and 25,768.92

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Solution

The fourth proportional to 46,989.84, 64,840.86 and 25,768.92 is: 35,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,989.84 : 64,840.86 = 25,768.92 : x
  2. Step 2: Convert to fraction form
    46,989.84/64,840.86 = 25,768.92/x
  3. Step 3: Cross multiply
    46,989.84x = 64,840.86 × 25,768.92
  4. Step 4: Simplify right side
    46,989.84x = 1,670,878,934.07
  5. Step 5: Solve for x
    x = 1,670,878,934.07/46,989.84
  6. Step 6: Final answer
    x = 35,558.30

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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.