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Finding the Fourth Proportional to 21,888,000.30, 32,832,000.45 and 21,888,000.30

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Solution

The fourth proportional to 21,888,000.30, 32,832,000.45 and 21,888,000.30 is: 32,832,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,000.30 : 32,832,000.45 = 21,888,000.30 : x
  2. Step 2: Convert to fraction form
    21,888,000.30/32,832,000.45 = 21,888,000.30/x
  3. Step 3: Cross multiply
    21,888,000.30x = 32,832,000.45 × 21,888,000.30
  4. Step 4: Simplify right side
    21,888,000.30x = 718,626,835,699,200.12
  5. Step 5: Solve for x
    x = 718,626,835,699,200.12/21,888,000.30
  6. Step 6: Final answer
    x = 32,832,000.45

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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.