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Finding the Fourth Proportional to 62,307.10, 85,980.80 and 35,447.08

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Solution

The fourth proportional to 62,307.10, 85,980.80 and 35,447.08 is: 48,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,307.10 : 85,980.80 = 35,447.08 : x
  2. Step 2: Convert to fraction form
    62,307.10/85,980.80 = 35,447.08/x
  3. Step 3: Cross multiply
    62,307.10x = 85,980.80 × 35,447.08
  4. Step 4: Simplify right side
    62,307.10x = 3,047,768,296.06
  5. Step 5: Solve for x
    x = 3,047,768,296.06/62,307.10
  6. Step 6: Final answer
    x = 48,915.26

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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.