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Finding the Fourth Proportional to 7,068.80, 9,763.13 and 6,123.13

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Solution

The fourth proportional to 7,068.80, 9,763.13 and 6,123.13 is: 8,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.80 : 9,763.13 = 6,123.13 : x
  2. Step 2: Convert to fraction form
    7,068.80/9,763.13 = 6,123.13/x
  3. Step 3: Cross multiply
    7,068.80x = 9,763.13 × 6,123.13
  4. Step 4: Simplify right side
    7,068.80x = 59,780,914.20
  5. Step 5: Solve for x
    x = 59,780,914.20/7,068.80
  6. Step 6: Final answer
    x = 8,457.01

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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.