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Finding the Fourth Proportional to 30,528,024.80, 42,852,608.80 and 30,528,024.80

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Solution

The fourth proportional to 30,528,024.80, 42,852,608.80 and 30,528,024.80 is: 42,852,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528,024.80 : 42,852,608.80 = 30,528,024.80 : x
  2. Step 2: Convert to fraction form
    30,528,024.80/42,852,608.80 = 30,528,024.80/x
  3. Step 3: Cross multiply
    30,528,024.80x = 42,852,608.80 × 30,528,024.80
  4. Step 4: Simplify right side
    30,528,024.80x = 1,308,205,504,191,098.25
  5. Step 5: Solve for x
    x = 1,308,205,504,191,098.25/30,528,024.80
  6. Step 6: Final answer
    x = 42,852,608.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.