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Finding the Fourth Proportional to 53,798.40, 80,668.80 and 22,598.40

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Solution

The fourth proportional to 53,798.40, 80,668.80 and 22,598.40 is: 33,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,798.40 : 80,668.80 = 22,598.40 : x
  2. Step 2: Convert to fraction form
    53,798.40/80,668.80 = 22,598.40/x
  3. Step 3: Cross multiply
    53,798.40x = 80,668.80 × 22,598.40
  4. Step 4: Simplify right side
    53,798.40x = 1,822,985,809.92
  5. Step 5: Solve for x
    x = 1,822,985,809.92/53,798.40
  6. Step 6: Final answer
    x = 33,885.50

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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.