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Finding the Fourth Proportional to 19,259.19, 28,892.70 and 10,943.19

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Solution

The fourth proportional to 19,259.19, 28,892.70 and 10,943.19 is: 16,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259.19 : 28,892.70 = 10,943.19 : x
  2. Step 2: Convert to fraction form
    19,259.19/28,892.70 = 10,943.19/x
  3. Step 3: Cross multiply
    19,259.19x = 28,892.70 × 10,943.19
  4. Step 4: Simplify right side
    19,259.19x = 316,178,305.71
  5. Step 5: Solve for x
    x = 316,178,305.71/19,259.19
  6. Step 6: Final answer
    x = 16,417.01

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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.