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Finding the Fourth Proportional to 58,615.32, 87,921.73 and 14,242.31

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Solution

The fourth proportional to 58,615.32, 87,921.73 and 14,242.31 is: 21,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,615.32 : 87,921.73 = 14,242.31 : x
  2. Step 2: Convert to fraction form
    58,615.32/87,921.73 = 14,242.31/x
  3. Step 3: Cross multiply
    58,615.32x = 87,921.73 × 14,242.31
  4. Step 4: Simplify right side
    58,615.32x = 1,252,208,534.40
  5. Step 5: Solve for x
    x = 1,252,208,534.40/58,615.32
  6. Step 6: Final answer
    x = 21,363.16

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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.