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Finding the Fourth Proportional to 19,547.84, 29,313.84 and 6,216.28

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Solution

The fourth proportional to 19,547.84, 29,313.84 and 6,216.28 is: 9,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.84 : 29,313.84 = 6,216.28 : x
  2. Step 2: Convert to fraction form
    19,547.84/29,313.84 = 6,216.28/x
  3. Step 3: Cross multiply
    19,547.84x = 29,313.84 × 6,216.28
  4. Step 4: Simplify right side
    19,547.84x = 182,223,037.32
  5. Step 5: Solve for x
    x = 182,223,037.32/19,547.84
  6. Step 6: Final answer
    x = 9,321.90

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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.