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Finding the Fourth Proportional to 19,264.14, 28,895.79 and 8,875.89

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Solution

The fourth proportional to 19,264.14, 28,895.79 and 8,875.89 is: 13,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.14 : 28,895.79 = 8,875.89 : x
  2. Step 2: Convert to fraction form
    19,264.14/28,895.79 = 8,875.89/x
  3. Step 3: Cross multiply
    19,264.14x = 28,895.79 × 8,875.89
  4. Step 4: Simplify right side
    19,264.14x = 256,475,853.50
  5. Step 5: Solve for x
    x = 256,475,853.50/19,264.14
  6. Step 6: Final answer
    x = 13,313.64

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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.