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Finding the Fourth Proportional to 35,459.60, 53,176.80 and 15,702.80

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Solution

The fourth proportional to 35,459.60, 53,176.80 and 15,702.80 is: 23,548.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,459.60 : 53,176.80 = 15,702.80 : x
  2. Step 2: Convert to fraction form
    35,459.60/53,176.80 = 15,702.80/x
  3. Step 3: Cross multiply
    35,459.60x = 53,176.80 × 15,702.80
  4. Step 4: Simplify right side
    35,459.60x = 835,024,655.04
  5. Step 5: Solve for x
    x = 835,024,655.04/35,459.60
  6. Step 6: Final answer
    x = 23,548.62

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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.