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Finding the Fourth Proportional to 22,894.60, 34,316.30 and 13,038.60

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Solution

The fourth proportional to 22,894.60, 34,316.30 and 13,038.60 is: 19,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,894.60 : 34,316.30 = 13,038.60 : x
  2. Step 2: Convert to fraction form
    22,894.60/34,316.30 = 13,038.60/x
  3. Step 3: Cross multiply
    22,894.60x = 34,316.30 × 13,038.60
  4. Step 4: Simplify right side
    22,894.60x = 447,436,509.18
  5. Step 5: Solve for x
    x = 447,436,509.18/22,894.60
  6. Step 6: Final answer
    x = 19,543.32

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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.