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Finding the Fourth Proportional to 18,482.50, 25,506.76 and 10,525.47

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Solution

The fourth proportional to 18,482.50, 25,506.76 and 10,525.47 is: 14,525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.50 : 25,506.76 = 10,525.47 : x
  2. Step 2: Convert to fraction form
    18,482.50/25,506.76 = 10,525.47/x
  3. Step 3: Cross multiply
    18,482.50x = 25,506.76 × 10,525.47
  4. Step 4: Simplify right side
    18,482.50x = 268,470,637.18
  5. Step 5: Solve for x
    x = 268,470,637.18/18,482.50
  6. Step 6: Final answer
    x = 14,525.67

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Double scale
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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.