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Finding the Fourth Proportional to 60,417.72, 90,684.24 and 37,089.72

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Solution

The fourth proportional to 60,417.72, 90,684.24 and 37,089.72 is: 55,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,417.72 : 90,684.24 = 37,089.72 : x
  2. Step 2: Convert to fraction form
    60,417.72/90,684.24 = 37,089.72/x
  3. Step 3: Cross multiply
    60,417.72x = 90,684.24 × 37,089.72
  4. Step 4: Simplify right side
    60,417.72x = 3,363,453,070.01
  5. Step 5: Solve for x
    x = 3,363,453,070.01/60,417.72
  6. Step 6: Final answer
    x = 55,669.98

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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.