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Finding the Fourth Proportional to 69,484.80, 95,828.76 and 56,051.76

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Solution

The fourth proportional to 69,484.80, 95,828.76 and 56,051.76 is: 77,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,484.80 : 95,828.76 = 56,051.76 : x
  2. Step 2: Convert to fraction form
    69,484.80/95,828.76 = 56,051.76/x
  3. Step 3: Cross multiply
    69,484.80x = 95,828.76 × 56,051.76
  4. Step 4: Simplify right side
    69,484.80x = 5,371,370,656.62
  5. Step 5: Solve for x
    x = 5,371,370,656.62/69,484.80
  6. Step 6: Final answer
    x = 77,302.82

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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.