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Finding the Fourth Proportional to 9,068.80, 13,596.80 and 4,677.76

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Solution

The fourth proportional to 9,068.80, 13,596.80 and 4,677.76 is: 7,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,068.80 : 13,596.80 = 4,677.76 : x
  2. Step 2: Convert to fraction form
    9,068.80/13,596.80 = 4,677.76/x
  3. Step 3: Cross multiply
    9,068.80x = 13,596.80 × 4,677.76
  4. Step 4: Simplify right side
    9,068.80x = 63,602,567.17
  5. Step 5: Solve for x
    x = 63,602,567.17/9,068.80
  6. Step 6: Final answer
    x = 7,013.34

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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.