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Finding the Fourth Proportional to 52,256.80, 78,298.80 and 44,480.80

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Solution

The fourth proportional to 52,256.80, 78,298.80 and 44,480.80 is: 66,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,256.80 : 78,298.80 = 44,480.80 : x
  2. Step 2: Convert to fraction form
    52,256.80/78,298.80 = 44,480.80/x
  3. Step 3: Cross multiply
    52,256.80x = 78,298.80 × 44,480.80
  4. Step 4: Simplify right side
    52,256.80x = 3,482,793,263.04
  5. Step 5: Solve for x
    x = 3,482,793,263.04/52,256.80
  6. Step 6: Final answer
    x = 66,647.66

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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.