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Finding the Fourth Proportional to 55,047.65, 75,962.93 and 29,897.09

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Solution

The fourth proportional to 55,047.65, 75,962.93 and 29,897.09 is: 41,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,047.65 : 75,962.93 = 29,897.09 : x
  2. Step 2: Convert to fraction form
    55,047.65/75,962.93 = 29,897.09/x
  3. Step 3: Cross multiply
    55,047.65x = 75,962.93 × 29,897.09
  4. Step 4: Simplify right side
    55,047.65x = 2,271,070,405.39
  5. Step 5: Solve for x
    x = 2,271,070,405.39/55,047.65
  6. Step 6: Final answer
    x = 41,256.45

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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.