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Finding the Fourth Proportional to 58,061.64, 87,087.06 and 15,940.20

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Solution

The fourth proportional to 58,061.64, 87,087.06 and 15,940.20 is: 23,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,061.64 : 87,087.06 = 15,940.20 : x
  2. Step 2: Convert to fraction form
    58,061.64/87,087.06 = 15,940.20/x
  3. Step 3: Cross multiply
    58,061.64x = 87,087.06 × 15,940.20
  4. Step 4: Simplify right side
    58,061.64x = 1,388,185,153.81
  5. Step 5: Solve for x
    x = 1,388,185,153.81/58,061.64
  6. Step 6: Final answer
    x = 23,908.82

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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.