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Finding the Fourth Proportional to 10,776.52, 14,870.94 and 6,528.64

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Solution

The fourth proportional to 10,776.52, 14,870.94 and 6,528.64 is: 9,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.52 : 14,870.94 = 6,528.64 : x
  2. Step 2: Convert to fraction form
    10,776.52/14,870.94 = 6,528.64/x
  3. Step 3: Cross multiply
    10,776.52x = 14,870.94 × 6,528.64
  4. Step 4: Simplify right side
    10,776.52x = 97,087,013.72
  5. Step 5: Solve for x
    x = 97,087,013.72/10,776.52
  6. Step 6: Final answer
    x = 9,009.12

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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.