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Finding the Fourth Proportional to 12,366.64, 18,565.08 and 6,526.72

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Solution

The fourth proportional to 12,366.64, 18,565.08 and 6,526.72 is: 9,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.64 : 18,565.08 = 6,526.72 : x
  2. Step 2: Convert to fraction form
    12,366.64/18,565.08 = 6,526.72/x
  3. Step 3: Cross multiply
    12,366.64x = 18,565.08 × 6,526.72
  4. Step 4: Simplify right side
    12,366.64x = 121,169,078.94
  5. Step 5: Solve for x
    x = 121,169,078.94/12,366.64
  6. Step 6: Final answer
    x = 9,798.06

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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.