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Finding the Fourth Proportional to 19,264.68, 28,897.02 and 7,579.08

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Solution

The fourth proportional to 19,264.68, 28,897.02 and 7,579.08 is: 11,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.68 : 28,897.02 = 7,579.08 : x
  2. Step 2: Convert to fraction form
    19,264.68/28,897.02 = 7,579.08/x
  3. Step 3: Cross multiply
    19,264.68x = 28,897.02 × 7,579.08
  4. Step 4: Simplify right side
    19,264.68x = 219,012,826.34
  5. Step 5: Solve for x
    x = 219,012,826.34/19,264.68
  6. Step 6: Final answer
    x = 11,368.62

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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.