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Finding the Fourth Proportional to 46,783.44, 70,126.14 and 21,802.88

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Solution

The fourth proportional to 46,783.44, 70,126.14 and 21,802.88 is: 32,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,783.44 : 70,126.14 = 21,802.88 : x
  2. Step 2: Convert to fraction form
    46,783.44/70,126.14 = 21,802.88/x
  3. Step 3: Cross multiply
    46,783.44x = 70,126.14 × 21,802.88
  4. Step 4: Simplify right side
    46,783.44x = 1,528,951,815.28
  5. Step 5: Solve for x
    x = 1,528,951,815.28/46,783.44
  6. Step 6: Final answer
    x = 32,681.47

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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.