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Finding the Fourth Proportional to 58,563.04, 87,734.34 and 28,946.20

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Solution

The fourth proportional to 58,563.04, 87,734.34 and 28,946.20 is: 43,364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,563.04 : 87,734.34 = 28,946.20 : x
  2. Step 2: Convert to fraction form
    58,563.04/87,734.34 = 28,946.20/x
  3. Step 3: Cross multiply
    58,563.04x = 87,734.34 × 28,946.20
  4. Step 4: Simplify right side
    58,563.04x = 2,539,575,752.51
  5. Step 5: Solve for x
    x = 2,539,575,752.51/58,563.04
  6. Step 6: Final answer
    x = 43,364.82

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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.