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Finding the Fourth Proportional to 29,030.40, 39,225.60 and 29,030.40

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Solution

The fourth proportional to 29,030.40, 39,225.60 and 29,030.40 is: 39,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,030.40 : 39,225.60 = 29,030.40 : x
  2. Step 2: Convert to fraction form
    29,030.40/39,225.60 = 29,030.40/x
  3. Step 3: Cross multiply
    29,030.40x = 39,225.60 × 29,030.40
  4. Step 4: Simplify right side
    29,030.40x = 1,138,734,858.24
  5. Step 5: Solve for x
    x = 1,138,734,858.24/29,030.40
  6. Step 6: Final answer
    x = 39,225.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.