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Finding the Fourth Proportional to 6,570.48, 9,870.30 and 6,363.12

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Solution

The fourth proportional to 6,570.48, 9,870.30 and 6,363.12 is: 9,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.48 : 9,870.30 = 6,363.12 : x
  2. Step 2: Convert to fraction form
    6,570.48/9,870.30 = 6,363.12/x
  3. Step 3: Cross multiply
    6,570.48x = 9,870.30 × 6,363.12
  4. Step 4: Simplify right side
    6,570.48x = 62,805,903.34
  5. Step 5: Solve for x
    x = 62,805,903.34/6,570.48
  6. Step 6: Final answer
    x = 9,558.80

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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.