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Finding the Fourth Proportional to 62,303.32, 85,978.86 and 34,009.60

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Solution

The fourth proportional to 62,303.32, 85,978.86 and 34,009.60 is: 46,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,303.32 : 85,978.86 = 34,009.60 : x
  2. Step 2: Convert to fraction form
    62,303.32/85,978.86 = 34,009.60/x
  3. Step 3: Cross multiply
    62,303.32x = 85,978.86 × 34,009.60
  4. Step 4: Simplify right side
    62,303.32x = 2,924,106,637.06
  5. Step 5: Solve for x
    x = 2,924,106,637.06/62,303.32
  6. Step 6: Final answer
    x = 46,933.40

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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.