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Finding the Fourth Proportional to 9,047.80, 12,485.95 and 5,068.68

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Solution

The fourth proportional to 9,047.80, 12,485.95 and 5,068.68 is: 6,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047.80 : 12,485.95 = 5,068.68 : x
  2. Step 2: Convert to fraction form
    9,047.80/12,485.95 = 5,068.68/x
  3. Step 3: Cross multiply
    9,047.80x = 12,485.95 × 5,068.68
  4. Step 4: Simplify right side
    9,047.80x = 63,287,225.55
  5. Step 5: Solve for x
    x = 63,287,225.55/9,047.80
  6. Step 6: Final answer
    x = 6,994.76

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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.