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Finding the Fourth Proportional to 63,288.04, 87,328.92 and 53,766.40

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Solution

The fourth proportional to 63,288.04, 87,328.92 and 53,766.40 is: 74,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,288.04 : 87,328.92 = 53,766.40 : x
  2. Step 2: Convert to fraction form
    63,288.04/87,328.92 = 53,766.40/x
  3. Step 3: Cross multiply
    63,288.04x = 87,328.92 × 53,766.40
  4. Step 4: Simplify right side
    63,288.04x = 4,695,361,644.29
  5. Step 5: Solve for x
    x = 4,695,361,644.29/63,288.04
  6. Step 6: Final answer
    x = 74,190.35

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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.