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Finding the Fourth Proportional to 8,575.51, 12,853 and 4,417.51

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Solution

The fourth proportional to 8,575.51, 12,853 and 4,417.51 is: 6,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.51 : 12,853 = 4,417.51 : x
  2. Step 2: Convert to fraction form
    8,575.51/12,853 = 4,417.51/x
  3. Step 3: Cross multiply
    8,575.51x = 12,853 × 4,417.51
  4. Step 4: Simplify right side
    8,575.51x = 56,778,256.03
  5. Step 5: Solve for x
    x = 56,778,256.03/8,575.51
  6. Step 6: Final answer
    x = 6,620.98

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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.