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Finding the Fourth Proportional to 63,510.16, 87,646.44 and 47,566.48

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Solution

The fourth proportional to 63,510.16, 87,646.44 and 47,566.48 is: 65,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,510.16 : 87,646.44 = 47,566.48 : x
  2. Step 2: Convert to fraction form
    63,510.16/87,646.44 = 47,566.48/x
  3. Step 3: Cross multiply
    63,510.16x = 87,646.44 × 47,566.48
  4. Step 4: Simplify right side
    63,510.16x = 4,169,032,635.33
  5. Step 5: Solve for x
    x = 4,169,032,635.33/63,510.16
  6. Step 6: Final answer
    x = 65,643.55

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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.