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Finding the Fourth Proportional to 64,172.50, 88,555.93 and 35,491.71

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Solution

The fourth proportional to 64,172.50, 88,555.93 and 35,491.71 is: 48,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,172.50 : 88,555.93 = 35,491.71 : x
  2. Step 2: Convert to fraction form
    64,172.50/88,555.93 = 35,491.71/x
  3. Step 3: Cross multiply
    64,172.50x = 88,555.93 × 35,491.71
  4. Step 4: Simplify right side
    64,172.50x = 3,143,001,386.34
  5. Step 5: Solve for x
    x = 3,143,001,386.34/64,172.50
  6. Step 6: Final answer
    x = 48,977.39

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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.