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Finding the Fourth Proportional to 82,748.40, 124,127.40 and 23,588.40

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Solution

The fourth proportional to 82,748.40, 124,127.40 and 23,588.40 is: 35,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,748.40 : 124,127.40 = 23,588.40 : x
  2. Step 2: Convert to fraction form
    82,748.40/124,127.40 = 23,588.40/x
  3. Step 3: Cross multiply
    82,748.40x = 124,127.40 × 23,588.40
  4. Step 4: Simplify right side
    82,748.40x = 2,927,966,762.16
  5. Step 5: Solve for x
    x = 2,927,966,762.16/82,748.40
  6. Step 6: Final answer
    x = 35,383.97

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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.