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Finding the Fourth Proportional to 57,328.88, 86,017.96 and 29,646.32

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Solution

The fourth proportional to 57,328.88, 86,017.96 and 29,646.32 is: 44,482.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328.88 : 86,017.96 = 29,646.32 : x
  2. Step 2: Convert to fraction form
    57,328.88/86,017.96 = 29,646.32/x
  3. Step 3: Cross multiply
    57,328.88x = 86,017.96 × 29,646.32
  4. Step 4: Simplify right side
    57,328.88x = 2,550,115,967.91
  5. Step 5: Solve for x
    x = 2,550,115,967.91/57,328.88
  6. Step 6: Final answer
    x = 44,482.22

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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.