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Finding the Fourth Proportional to 64,009.97, 88,333.70 and 35,715.66

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Solution

The fourth proportional to 64,009.97, 88,333.70 and 35,715.66 is: 49,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.97 : 88,333.70 = 35,715.66 : x
  2. Step 2: Convert to fraction form
    64,009.97/88,333.70 = 35,715.66/x
  3. Step 3: Cross multiply
    64,009.97x = 88,333.70 × 35,715.66
  4. Step 4: Simplify right side
    64,009.97x = 3,154,895,885.91
  5. Step 5: Solve for x
    x = 3,154,895,885.91/64,009.97
  6. Step 6: Final answer
    x = 49,287.57

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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.