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Finding the Fourth Proportional to 8,886.48, 13,327.07 and 7,322.60

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Solution

The fourth proportional to 8,886.48, 13,327.07 and 7,322.60 is: 10,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.48 : 13,327.07 = 7,322.60 : x
  2. Step 2: Convert to fraction form
    8,886.48/13,327.07 = 7,322.60/x
  3. Step 3: Cross multiply
    8,886.48x = 13,327.07 × 7,322.60
  4. Step 4: Simplify right side
    8,886.48x = 97,588,699.53
  5. Step 5: Solve for x
    x = 97,588,699.53/8,886.48
  6. Step 6: Final answer
    x = 10,981.70

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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.