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Finding the Fourth Proportional to 32,358, 44,655.12 and 19,780.32

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Solution

The fourth proportional to 32,358, 44,655.12 and 19,780.32 is: 27,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,358 : 44,655.12 = 19,780.32 : x
  2. Step 2: Convert to fraction form
    32,358/44,655.12 = 19,780.32/x
  3. Step 3: Cross multiply
    32,358x = 44,655.12 × 19,780.32
  4. Step 4: Simplify right side
    32,358x = 883,292,563.24
  5. Step 5: Solve for x
    x = 883,292,563.24/32,358
  6. Step 6: Final answer
    x = 27,297.50

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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.