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Finding the Fourth Proportional to 6,973.56, 9,603.66 and 6,528.72

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Solution

The fourth proportional to 6,973.56, 9,603.66 and 6,528.72 is: 8,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.56 : 9,603.66 = 6,528.72 : x
  2. Step 2: Convert to fraction form
    6,973.56/9,603.66 = 6,528.72/x
  3. Step 3: Cross multiply
    6,973.56x = 9,603.66 × 6,528.72
  4. Step 4: Simplify right side
    6,973.56x = 62,699,607.12
  5. Step 5: Solve for x
    x = 62,699,607.12/6,973.56
  6. Step 6: Final answer
    x = 8,991.05

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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.