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Finding the Fourth Proportional to 67,509.72, 93,159.99 and 37,289.20

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Solution

The fourth proportional to 67,509.72, 93,159.99 and 37,289.20 is: 51,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,509.72 : 93,159.99 = 37,289.20 : x
  2. Step 2: Convert to fraction form
    67,509.72/93,159.99 = 37,289.20/x
  3. Step 3: Cross multiply
    67,509.72x = 93,159.99 × 37,289.20
  4. Step 4: Simplify right side
    67,509.72x = 3,473,861,499.11
  5. Step 5: Solve for x
    x = 3,473,861,499.11/67,509.72
  6. Step 6: Final answer
    x = 51,457.20

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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.