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Finding the Fourth Proportional to 60,486.94, 83,482.95 and 34,990.30

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Solution

The fourth proportional to 60,486.94, 83,482.95 and 34,990.30 is: 48,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,486.94 : 83,482.95 = 34,990.30 : x
  2. Step 2: Convert to fraction form
    60,486.94/83,482.95 = 34,990.30/x
  3. Step 3: Cross multiply
    60,486.94x = 83,482.95 × 34,990.30
  4. Step 4: Simplify right side
    60,486.94x = 2,921,093,465.39
  5. Step 5: Solve for x
    x = 2,921,093,465.39/60,486.94
  6. Step 6: Final answer
    x = 48,292.96

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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.