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Finding the Fourth Proportional to 18,724,052.40, 26,249,062.80 and 18,724,052.40

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Solution

The fourth proportional to 18,724,052.40, 26,249,062.80 and 18,724,052.40 is: 26,249,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,052.40 : 26,249,062.80 = 18,724,052.40 : x
  2. Step 2: Convert to fraction form
    18,724,052.40/26,249,062.80 = 18,724,052.40/x
  3. Step 3: Cross multiply
    18,724,052.40x = 26,249,062.80 × 18,724,052.40
  4. Step 4: Simplify right side
    18,724,052.40x = 491,488,827,318,090.69
  5. Step 5: Solve for x
    x = 491,488,827,318,090.69/18,724,052.40
  6. Step 6: Final answer
    x = 26,249,062.80

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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.