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Finding the Fourth Proportional to 8,900.99, 12,283.16 and 5,073.33

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Solution

The fourth proportional to 8,900.99, 12,283.16 and 5,073.33 is: 7,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.99 : 12,283.16 = 5,073.33 : x
  2. Step 2: Convert to fraction form
    8,900.99/12,283.16 = 5,073.33/x
  3. Step 3: Cross multiply
    8,900.99x = 12,283.16 × 5,073.33
  4. Step 4: Simplify right side
    8,900.99x = 62,316,498.76
  5. Step 5: Solve for x
    x = 62,316,498.76/8,900.99
  6. Step 6: Final answer
    x = 7,001.08

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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.