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Finding the Fourth Proportional to 19,246.10, 28,852.95 and 10,012.10

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Solution

The fourth proportional to 19,246.10, 28,852.95 and 10,012.10 is: 15,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.10 : 28,852.95 = 10,012.10 : x
  2. Step 2: Convert to fraction form
    19,246.10/28,852.95 = 10,012.10/x
  3. Step 3: Cross multiply
    19,246.10x = 28,852.95 × 10,012.10
  4. Step 4: Simplify right side
    19,246.10x = 288,878,620.70
  5. Step 5: Solve for x
    x = 288,878,620.70/19,246.10
  6. Step 6: Final answer
    x = 15,009.72

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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.