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Finding the Fourth Proportional to 27,317.80, 40,975.08 and 9,547.21

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Solution

The fourth proportional to 27,317.80, 40,975.08 and 9,547.21 is: 14,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.80 : 40,975.08 = 9,547.21 : x
  2. Step 2: Convert to fraction form
    27,317.80/40,975.08 = 9,547.21/x
  3. Step 3: Cross multiply
    27,317.80x = 40,975.08 × 9,547.21
  4. Step 4: Simplify right side
    27,317.80x = 391,197,693.53
  5. Step 5: Solve for x
    x = 391,197,693.53/27,317.80
  6. Step 6: Final answer
    x = 14,320.25

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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.