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Finding the Fourth Proportional to 8,759.63, 12,088.29 and 5,224.89

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Solution

The fourth proportional to 8,759.63, 12,088.29 and 5,224.89 is: 7,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.63 : 12,088.29 = 5,224.89 : x
  2. Step 2: Convert to fraction form
    8,759.63/12,088.29 = 5,224.89/x
  3. Step 3: Cross multiply
    8,759.63x = 12,088.29 × 5,224.89
  4. Step 4: Simplify right side
    8,759.63x = 63,159,985.54
  5. Step 5: Solve for x
    x = 63,159,985.54/8,759.63
  6. Step 6: Final answer
    x = 7,210.35

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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.