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Finding the Fourth Proportional to 32,970.77, 45,498.71 and 19,358.58

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Solution

The fourth proportional to 32,970.77, 45,498.71 and 19,358.58 is: 26,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,970.77 : 45,498.71 = 19,358.58 : x
  2. Step 2: Convert to fraction form
    32,970.77/45,498.71 = 19,358.58/x
  3. Step 3: Cross multiply
    32,970.77x = 45,498.71 × 19,358.58
  4. Step 4: Simplify right side
    32,970.77x = 880,790,320.64
  5. Step 5: Solve for x
    x = 880,790,320.64/32,970.77
  6. Step 6: Final answer
    x = 26,714.28

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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.