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Finding the Fourth Proportional to 47,207.71, 65,146.71 and 25,987.06

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Solution

The fourth proportional to 47,207.71, 65,146.71 and 25,987.06 is: 35,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,207.71 : 65,146.71 = 25,987.06 : x
  2. Step 2: Convert to fraction form
    47,207.71/65,146.71 = 25,987.06/x
  3. Step 3: Cross multiply
    47,207.71x = 65,146.71 × 25,987.06
  4. Step 4: Simplify right side
    47,207.71x = 1,692,971,461.57
  5. Step 5: Solve for x
    x = 1,692,971,461.57/47,207.71
  6. Step 6: Final answer
    x = 35,862.18

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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.