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Finding the Fourth Proportional to 60,477.63, 90,749.24 and 29,312.88

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Solution

The fourth proportional to 60,477.63, 90,749.24 and 29,312.88 is: 43,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,477.63 : 90,749.24 = 29,312.88 : x
  2. Step 2: Convert to fraction form
    60,477.63/90,749.24 = 29,312.88/x
  3. Step 3: Cross multiply
    60,477.63x = 90,749.24 × 29,312.88
  4. Step 4: Simplify right side
    60,477.63x = 2,660,121,582.21
  5. Step 5: Solve for x
    x = 2,660,121,582.21/60,477.63
  6. Step 6: Final answer
    x = 43,985.22

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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.