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Finding the Fourth Proportional to 6,547.30, 9,818.07 and 1,929.22

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Solution

The fourth proportional to 6,547.30, 9,818.07 and 1,929.22 is: 2,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547.30 : 9,818.07 = 1,929.22 : x
  2. Step 2: Convert to fraction form
    6,547.30/9,818.07 = 1,929.22/x
  3. Step 3: Cross multiply
    6,547.30x = 9,818.07 × 1,929.22
  4. Step 4: Simplify right side
    6,547.30x = 18,941,217.01
  5. Step 5: Solve for x
    x = 18,941,217.01/6,547.30
  6. Step 6: Final answer
    x = 2,892.98

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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.