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Finding the Fourth Proportional to 63,124.65, 94,686.30 and 18,751.77

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Solution

The fourth proportional to 63,124.65, 94,686.30 and 18,751.77 is: 28,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,124.65 : 94,686.30 = 18,751.77 : x
  2. Step 2: Convert to fraction form
    63,124.65/94,686.30 = 18,751.77/x
  3. Step 3: Cross multiply
    63,124.65x = 94,686.30 × 18,751.77
  4. Step 4: Simplify right side
    63,124.65x = 1,775,535,719.75
  5. Step 5: Solve for x
    x = 1,775,535,719.75/63,124.65
  6. Step 6: Final answer
    x = 28,127.45

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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.