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Finding the Fourth Proportional to 64,284.90, 88,710.20 and 35,602.63

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Solution

The fourth proportional to 64,284.90, 88,710.20 and 35,602.63 is: 49,129.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,284.90 : 88,710.20 = 35,602.63 : x
  2. Step 2: Convert to fraction form
    64,284.90/88,710.20 = 35,602.63/x
  3. Step 3: Cross multiply
    64,284.90x = 88,710.20 × 35,602.63
  4. Step 4: Simplify right side
    64,284.90x = 3,158,316,427.83
  5. Step 5: Solve for x
    x = 3,158,316,427.83/64,284.90
  6. Step 6: Final answer
    x = 49,129.99

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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.