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Finding the Fourth Proportional to 63,007.44, 86,955.16 and 34,718.16

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Solution

The fourth proportional to 63,007.44, 86,955.16 and 34,718.16 is: 47,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,007.44 : 86,955.16 = 34,718.16 : x
  2. Step 2: Convert to fraction form
    63,007.44/86,955.16 = 34,718.16/x
  3. Step 3: Cross multiply
    63,007.44x = 86,955.16 × 34,718.16
  4. Step 4: Simplify right side
    63,007.44x = 3,018,923,157.71
  5. Step 5: Solve for x
    x = 3,018,923,157.71/63,007.44
  6. Step 6: Final answer
    x = 47,913.76

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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.