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Finding the Fourth Proportional to 28,592.95, 42,895.16 and 9,873.67

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Solution

The fourth proportional to 28,592.95, 42,895.16 and 9,873.67 is: 14,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.95 : 42,895.16 = 9,873.67 : x
  2. Step 2: Convert to fraction form
    28,592.95/42,895.16 = 9,873.67/x
  3. Step 3: Cross multiply
    28,592.95x = 42,895.16 × 9,873.67
  4. Step 4: Simplify right side
    28,592.95x = 423,532,722.04
  5. Step 5: Solve for x
    x = 423,532,722.04/28,592.95
  6. Step 6: Final answer
    x = 14,812.49

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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.