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Finding the Fourth Proportional to 8,570.02, 11,822.88 and 5,424.25

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Solution

The fourth proportional to 8,570.02, 11,822.88 and 5,424.25 is: 7,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.02 : 11,822.88 = 5,424.25 : x
  2. Step 2: Convert to fraction form
    8,570.02/11,822.88 = 5,424.25/x
  3. Step 3: Cross multiply
    8,570.02x = 11,822.88 × 5,424.25
  4. Step 4: Simplify right side
    8,570.02x = 64,130,256.84
  5. Step 5: Solve for x
    x = 64,130,256.84/8,570.02
  6. Step 6: Final answer
    x = 7,483.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.