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Finding the Fourth Proportional to 48,415.95, 72,595.98 and 18,799.18

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Solution

The fourth proportional to 48,415.95, 72,595.98 and 18,799.18 is: 28,187.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,415.95 : 72,595.98 = 18,799.18 : x
  2. Step 2: Convert to fraction form
    48,415.95/72,595.98 = 18,799.18/x
  3. Step 3: Cross multiply
    48,415.95x = 72,595.98 × 18,799.18
  4. Step 4: Simplify right side
    48,415.95x = 1,364,744,713.81
  5. Step 5: Solve for x
    x = 1,364,744,713.81/48,415.95
  6. Step 6: Final answer
    x = 28,187.92

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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.