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Finding the Fourth Proportional to 24,608.40, 33,957.72 and 13,430.40

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Solution

The fourth proportional to 24,608.40, 33,957.72 and 13,430.40 is: 18,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,608.40 : 33,957.72 = 13,430.40 : x
  2. Step 2: Convert to fraction form
    24,608.40/33,957.72 = 13,430.40/x
  3. Step 3: Cross multiply
    24,608.40x = 33,957.72 × 13,430.40
  4. Step 4: Simplify right side
    24,608.40x = 456,065,762.69
  5. Step 5: Solve for x
    x = 456,065,762.69/24,608.40
  6. Step 6: Final answer
    x = 18,532.93

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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.