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Finding the Fourth Proportional to 66,504.32, 99,269.92 and 58,631.36

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Solution

The fourth proportional to 66,504.32, 99,269.92 and 58,631.36 is: 87,518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,504.32 : 99,269.92 = 58,631.36 : x
  2. Step 2: Convert to fraction form
    66,504.32/99,269.92 = 58,631.36/x
  3. Step 3: Cross multiply
    66,504.32x = 99,269.92 × 58,631.36
  4. Step 4: Simplify right side
    66,504.32x = 5,820,330,416.69
  5. Step 5: Solve for x
    x = 5,820,330,416.69/66,504.32
  6. Step 6: Final answer
    x = 87,518.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.