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Finding the Fourth Proportional to 86,293.60, 129,440.40 and 23,964.10

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Solution

The fourth proportional to 86,293.60, 129,440.40 and 23,964.10 is: 35,946.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,293.60 : 129,440.40 = 23,964.10 : x
  2. Step 2: Convert to fraction form
    86,293.60/129,440.40 = 23,964.10/x
  3. Step 3: Cross multiply
    86,293.60x = 129,440.40 × 23,964.10
  4. Step 4: Simplify right side
    86,293.60x = 3,101,922,689.64
  5. Step 5: Solve for x
    x = 3,101,922,689.64/86,293.60
  6. Step 6: Final answer
    x = 35,946.15

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Double scale
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Similar ratio
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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.