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Finding the Fourth Proportional to 48,669.60, 72,950.40 and 19,077.60

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Solution

The fourth proportional to 48,669.60, 72,950.40 and 19,077.60 is: 28,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,669.60 : 72,950.40 = 19,077.60 : x
  2. Step 2: Convert to fraction form
    48,669.60/72,950.40 = 19,077.60/x
  3. Step 3: Cross multiply
    48,669.60x = 72,950.40 × 19,077.60
  4. Step 4: Simplify right side
    48,669.60x = 1,391,718,551.04
  5. Step 5: Solve for x
    x = 1,391,718,551.04/48,669.60
  6. Step 6: Final answer
    x = 28,595.23

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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.