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Finding the Fourth Proportional to 10,482.87, 15,700.08 and 6,313.68

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Solution

The fourth proportional to 10,482.87, 15,700.08 and 6,313.68 is: 9,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.87 : 15,700.08 = 6,313.68 : x
  2. Step 2: Convert to fraction form
    10,482.87/15,700.08 = 6,313.68/x
  3. Step 3: Cross multiply
    10,482.87x = 15,700.08 × 6,313.68
  4. Step 4: Simplify right side
    10,482.87x = 99,125,281.09
  5. Step 5: Solve for x
    x = 99,125,281.09/10,482.87
  6. Step 6: Final answer
    x = 9,455.93

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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.