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Finding the Fourth Proportional to 69,061.76, 103,592.64 and 27,509.12

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Solution

The fourth proportional to 69,061.76, 103,592.64 and 27,509.12 is: 41,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,061.76 : 103,592.64 = 27,509.12 : x
  2. Step 2: Convert to fraction form
    69,061.76/103,592.64 = 27,509.12/x
  3. Step 3: Cross multiply
    69,061.76x = 103,592.64 × 27,509.12
  4. Step 4: Simplify right side
    69,061.76x = 2,849,742,364.88
  5. Step 5: Solve for x
    x = 2,849,742,364.88/69,061.76
  6. Step 6: Final answer
    x = 41,263.68

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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.