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Finding the Fourth Proportional to 23,009.04, 31,751.04 and 12,937.32

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Solution

The fourth proportional to 23,009.04, 31,751.04 and 12,937.32 is: 17,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,009.04 : 31,751.04 = 12,937.32 : x
  2. Step 2: Convert to fraction form
    23,009.04/31,751.04 = 12,937.32/x
  3. Step 3: Cross multiply
    23,009.04x = 31,751.04 × 12,937.32
  4. Step 4: Simplify right side
    23,009.04x = 410,773,364.81
  5. Step 5: Solve for x
    x = 410,773,364.81/23,009.04
  6. Step 6: Final answer
    x = 17,852.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.