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Finding the Fourth Proportional to 66,534.92, 99,802.10 and 27,082.68

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Solution

The fourth proportional to 66,534.92, 99,802.10 and 27,082.68 is: 40,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,534.92 : 99,802.10 = 27,082.68 : x
  2. Step 2: Convert to fraction form
    66,534.92/99,802.10 = 27,082.68/x
  3. Step 3: Cross multiply
    66,534.92x = 99,802.10 × 27,082.68
  4. Step 4: Simplify right side
    66,534.92x = 2,702,908,337.63
  5. Step 5: Solve for x
    x = 2,702,908,337.63/66,534.92
  6. Step 6: Final answer
    x = 40,623.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.