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Finding the Fourth Proportional to 9,819.52, 14,707.72 and 9,051.32

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Solution

The fourth proportional to 9,819.52, 14,707.72 and 9,051.32 is: 13,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.52 : 14,707.72 = 9,051.32 : x
  2. Step 2: Convert to fraction form
    9,819.52/14,707.72 = 9,051.32/x
  3. Step 3: Cross multiply
    9,819.52x = 14,707.72 × 9,051.32
  4. Step 4: Simplify right side
    9,819.52x = 133,124,280.19
  5. Step 5: Solve for x
    x = 133,124,280.19/9,819.52
  6. Step 6: Final answer
    x = 13,557.11

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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.