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Finding the Fourth Proportional to 64,084.48, 88,425.84 and 35,790.28

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Solution

The fourth proportional to 64,084.48, 88,425.84 and 35,790.28 is: 49,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,084.48 : 88,425.84 = 35,790.28 : x
  2. Step 2: Convert to fraction form
    64,084.48/88,425.84 = 35,790.28/x
  3. Step 3: Cross multiply
    64,084.48x = 88,425.84 × 35,790.28
  4. Step 4: Simplify right side
    64,084.48x = 3,164,785,572.84
  5. Step 5: Solve for x
    x = 3,164,785,572.84/64,084.48
  6. Step 6: Final answer
    x = 49,384.59

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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.