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Finding the Fourth Proportional to 8,875.53, 12,300.01 and 8,750.25

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Solution

The fourth proportional to 8,875.53, 12,300.01 and 8,750.25 is: 12,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.53 : 12,300.01 = 8,750.25 : x
  2. Step 2: Convert to fraction form
    8,875.53/12,300.01 = 8,750.25/x
  3. Step 3: Cross multiply
    8,875.53x = 12,300.01 × 8,750.25
  4. Step 4: Simplify right side
    8,875.53x = 107,628,140.63
  5. Step 5: Solve for x
    x = 107,628,140.63/8,875.53
  6. Step 6: Final answer
    x = 12,126.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.