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Finding the Fourth Proportional to 64,045.70, 88,379.40 and 35,753.18

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Solution

The fourth proportional to 64,045.70, 88,379.40 and 35,753.18 is: 49,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045.70 : 88,379.40 = 35,753.18 : x
  2. Step 2: Convert to fraction form
    64,045.70/88,379.40 = 35,753.18/x
  3. Step 3: Cross multiply
    64,045.70x = 88,379.40 × 35,753.18
  4. Step 4: Simplify right side
    64,045.70x = 3,159,844,596.49
  5. Step 5: Solve for x
    x = 3,159,844,596.49/64,045.70
  6. Step 6: Final answer
    x = 49,337.34

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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.