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Finding the Fourth Proportional to 51,663.60, 77,501.88 and 16,602.48

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Solution

The fourth proportional to 51,663.60, 77,501.88 and 16,602.48 is: 24,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,663.60 : 77,501.88 = 16,602.48 : x
  2. Step 2: Convert to fraction form
    51,663.60/77,501.88 = 16,602.48/x
  3. Step 3: Cross multiply
    51,663.60x = 77,501.88 × 16,602.48
  4. Step 4: Simplify right side
    51,663.60x = 1,286,723,412.66
  5. Step 5: Solve for x
    x = 1,286,723,412.66/51,663.60
  6. Step 6: Final answer
    x = 24,905.80

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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.