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Finding the Fourth Proportional to 53,397.84, 80,088.32 and 17,858.88

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Solution

The fourth proportional to 53,397.84, 80,088.32 and 17,858.88 is: 26,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,397.84 : 80,088.32 = 17,858.88 : x
  2. Step 2: Convert to fraction form
    53,397.84/80,088.32 = 17,858.88/x
  3. Step 3: Cross multiply
    53,397.84x = 80,088.32 × 17,858.88
  4. Step 4: Simplify right side
    53,397.84x = 1,430,287,696.28
  5. Step 5: Solve for x
    x = 1,430,287,696.28/53,397.84
  6. Step 6: Final answer
    x = 26,785.50

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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.